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Best Serial Port Cards - Buying Guide

Last Updated: 11/17/2018

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Bestselling Serial Port Cards on Amazon

  1. IO Crest SI-PEX40108 PCI-Express 2.0 x1 Low Profile SATA 4 Port SATA III PCI-e 2.0 x1 Card
  2. NewerTech MAXPower eSATA 6G Pro PCIe 2.0 Controller Card
  3. StarTech.com 2 Port PCI Express eSATA Controller Adapter Card - Dual Port PCIe eSATA Card w/Low Prof...
  4. StarTech.com 1 Port Low Profile Native PCI Express RS232 Serial Card with 16950 UART - PCIe Serial C...
  5. StarTech.com PCI2S2PMC 2S2P PCI Serial Parallel Combo Card with 16C1050 UART
  6. Syba SD-PCI15039 2 Port DB9 RS-232 Serial PCI Card
  7. SIIG Legacy and Beyond Series 2 Port (Dual) Serial / RS-232 PCIe Card with 16C550 UART
  8. RS232 to TTL Serial Converter - DB9 F/M - Bidirectional Transistor transistor Logic Adapter
  9. Dual Port Serial Industrial DB9 COM RS232 PCIe X1 Card for Desktop PC with Low Bracket Moschip MCS9922
  10. SIIG 2-Port RS232 Serial PCIe with 16950 UART (JJ-E02111-S1)

  #1

IO Crest SI-PEX40108 PCI-Express 2.0 x1 Low Profile SATA 4 Port SATA III PCI-e 2.0 x1 Card

Model: SI-PEX40108   |    Mpn: SI-PEX40108   |    Ean: 0810154011773   |    PartNumber: SI-PEX40108   |   Asin: B01IDNSUNO

The PCI-e Controller Card gives you an easy way to add additional 4 internal SATA III ports to your computer by a single PCI Express slot. The SATA III ports offer a blazing-fast speed of 6Gbps, while remaining backwards compatible with the SATA I and SATA II specifications. Also, it supports Port Multiplier FIS Based or Command Based switching, ensuring maximum performance. Chipset: Marvell 88SE9215 Compliant with PCI-Express Specification v2.0 and backwards compatible with PCIe 1.x Compliant with Serial ATA Specification 3.0 Supports Communication Speeds of 6.0 Gbps, 3.0 Gbps, and 1.5 Gbps Hot Plug and Hot Swap Supports Native Command Queue (NCQ) Supports Port Multiplier FIS Based Switching or Command Based Switching Compatible with SATA 6G, 3G and 1.5G Hard Drives SATA ports are bootable For port multiplier function, please follow Windows 8 instructions in Download's tab. Not a Hardware RAID controller. Supports 3TB and 4TB hard drives.

Features

Brand: IO Crest   |   Manufacturer: Syba

Item Dimensions: 1.6 x 5.9 x 6.8 inches (4.1 x 15.0 x 17.3 cm)   |   Package Dimensions: 1.6 x 5.9 x 6.8 inches (4.1 x 15.0 x 17.3 cm)

Amazon Price: $29.99 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $29.99 | Used Price: $30.00

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  #2

NewerTech MAXPower eSATA 6G Pro PCIe 2.0 Controller Card

Model: NWTMXPCIE6G3S2   |    Mpn: MXPCIE6G3S2   |    Ean: 0811643016408   |    PartNumber: MXPCIE6G3S2   |   Asin: B07583Z65F

The NewerTech MAXPower eSATA 6G Pro PCIe Controller Card is like a "performance assurance policy" as conventional hard disk drives and SSDs migrate to the SATA 6Gb/s standard. Installing the card now offers immediate speeds gains while making a Mac Pro or PC future ready for even greater speed gains. Like all good upgrades, the card doesn't leave the past behind. The NewerTech MAXPower eSATA 6G Pro PCIe Controller Card is fully backward compatible with PCIe 1.0 slots as well as previous generations of SATA 1.5Gb/s and 3Gb/s drives.High performance doesn't mean a thing if its highly complicated to use, install, or a hassle to keep maintained. Because the NewerTech MAXPower eSATA 6G Pro PCIe Controller Card is fully compliant with the industry standard Advanced Host Controller Interface (AHCI), there are no drivers to install and no future driver downloading/updating required. Additionally, the card uses the same connecting cables utilized by earlier SATA 1.5Gb/s and 3Gb/s devices for straight from the box, "install it and forget it" highest levels of convenience and performance.From faster backups and file transfers to high-end Audio/Video editing, connecting an eSATA interface equipped device to the NewerTech MAXPower eSATA 6G Pro PCIe Controller Card can take data transfer performance to an entirely new level. Compatible with Mac Pro models and PCs with an available PCIe 2.0 slot2, the NewerTech MAXPower eSATA 6G Pro PCIe Controller Card works with many eSATA-equipped external hard drives3 or optical drives, to deliver significantly faster data transfer rates over the fastest factory equipped Mac Pro interface of FireWire 800.1. Driver required for use with Windows 8 and 8.1. 2. Up to 375MB/s total for x1 PCIe 2.0 slot or 180MB/s total for x1 PCIe 1.0 slot 3. Dependent upon external enclosure compatibility. This card does not support port multiplier enclosures.

Features

  • Adds (2) 6Gb/s eSATA ports to your Mac Pro
  • Fully backward compatible with PCIe 1.0 slots as well as previous generations of SATA 1.5Gb/s and 3Gb/s drives.
  • Compliant with Advanced Host Controller Interface (AHCI), Plug and Play ready: no drivers to install and no future driver downloading/updating required
  • Uses the same connecting cables utilized by earlier SATA 1.5Gb/s and 3Gb/s devices.
  • 3 Year Newer Technology Limited Warranty
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Brand: NewerTech   |   Manufacturer: NewerTech

Package Dimensions: 1.25 x 5.6 x 6.75 inches (3.2 x 14.2 x 17.1 cm)

Amazon Price: $39.75 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $39.75

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  #3

StarTech.com 2 Port PCI Express eSATA Controller Adapter Card - Dual Port PCIe eSATA Card w/Low Profile/Half-Height Bracket

Model: PEXESATA2   |    Mpn: PEXESATA2   |    Ean: 0065030826198   |    PartNumber: PEXESATA2   |   Asin: B000ZLRGKQ

Adds 2 eSATA ports to any desktop for connection to multiple external SATA drives or devices - This 2 Port PCI Express eSATA Controller Adapter Card offers simple connectivity between a host computer and eSATA devices. Providing two eSATA ports the adapter card offers a cost-effective solution for connecting hot-pluggable, high-speed storage, and in turn allows for easier data backups and archiving. With full support for SATA 300 (SATA II) hard drives and data transfer speeds of up to 3 Gbps, the adapter card features a native PCI Express single chipset that provides enhanced compatibility, reliability and performance for external SATA storage needs. The PCI Express eSATA controller card also features port multiplier capability with command-based switching for connecting multiple external hard drives to a host Windows system through a single external SATA connection. A dual profile solution, the eSATA controller card includes a low profile/half-height bracket for adapting to slimline or small form factor system applications.

Features

  • Port Multiplier technology supports multi-drive external enclosures over a single eSATA cable at speeds up to 3.0Gbps
  • Supports hard drives larger than 136GB with 48-bit LBA and a native PCI Express chipset instead of a bridge chip, to ensure fast, reliable operation
  • Backed by a StarTech.com lifetime warranty and free lifetime technical support
  • 2 external eSATA ports
  • Support for FIS and Command-based Port Multiplier technology
  • Large capacity drive support with 48-bit Logical Block Addressing (LBA)
  • Drive Hot-Plugging support
  • Support for Native Command Queuing (NCQ)
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Brand: StarTech   |   Manufacturer: STARTECH.COM

Item Dimensions: 1.89 x 6.3 x 8.66 inches (4.8 x 16.0 x 22.0 cm)   |   Package Dimensions: 1.34 x 5.43 x 6.85 inches (3.4 x 13.8 x 17.4 cm)

Amazon Price: $19.95 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $19.95

Warranty: Lifetime warranty

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  #4

StarTech.com 1 Port Low Profile Native PCI Express RS232 Serial Card with 16950 UART - PCIe Serial Card - 1 Port LP RS232 Card

Model: PEX1S952LP   |    Mpn: PEX1S952LP   |    Ean: 6213759728918   |    PartNumber: PEX1S952LP   |   Asin: B002RYTI7I

The PEX1S952LP 1 Port Low Profile Native PCI Express RS232 Serial Adapter Card with 16950 UART adds an RS232 (DB9) Serial Port with data rates up to 460 Kbps to a computer through an available low profile PCIe slot, while relying on a native, single-chip design (Oxford OXPCIe952) that harnesses the capability of true PCI Express - ensuring maximum performance and reliability and reducing the load applied to the CPU by as much as 48% over conventional (bridge chip) serial cards. The 1 port RS232 serial card features a half-height pci express mounting bracket that's designed specifically for low profile/small form factor computer cases, and includes an optional standard height bracket as well. Compatible with a broad range of operating systems including Windows and Linux for easy integration into mixed environments. Backed by a StarTech.com lifetime warranty and free lifetime technical support.

Features

Brand: StarTech   |   Manufacturer: STARTECH.COM

Item Dimensions: 5.71 x 1.65 x 8.39 inches (14.5 x 4.2 x 21.3 cm)   |   Package Dimensions: 2.9 x 5.6 x 6.8 inches (7.4 x 14.2 x 17.3 cm)

Amazon Price: $24.99 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $32.41

Warranty: Lifetime warranty

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  #5

StarTech.com PCI2S2PMC 2S2P PCI Serial Parallel Combo Card with 16C1050 UART

Model: PCI2S2PMC   |    Mpn: PCI2S2PMC   |    Ean: 0757577286220   |    PartNumber: PCI2S2PMC   |   Asin: B007QWJ5BU

The PCI2S2PMC 2S2P PCI Serial/Parallel Combo Card (16C1050 UART) adds 2 RS232 serial, and 2 IEEE-1284 Parallel ports to your system, through a PCI slot. Supporting RS232 speeds up to 115.2 Kbps and parallel rates up to 1.5 Mbps, the serial/parallel adapter offers the added connectivity needed for industrial and business applications, while only occupying a single 3.3/5V PCI slot.This 2S-2P card offers a broad operating system compatibility list that includes Windows 7, Windows Server 2003, XP, DOS and Linux, for simple integration into mixed environments.Backed by a StarTech.com Lifetime warranty and free lifetime technical support.

Features

  • Unique 2S2P card design allows you to add 2 Serial and 2 Parallel ports using only a single PCI slot
  • Universal support for 32/64-bit, 3.3/5V PCI or PCI-X slots makes this a suitable expansion card for almost any system
  • Broad OS compatibility, including Windows and Linux for simple integration into mixed environments
  • 2x 16C1050 compatible UART serial ports, and 2x IEEE 1284 Parallel ports
  • Supports RS232 baud rates up to 115.2 Kbps
  • Parallel data rates up to 1.5Mbps
  • 256 Byte deep transmit/receive FIFO
  • Universal 3.3/5V PCI card
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Brand: StarTech   |   Manufacturer: STARTECH.COM

Item Dimensions: 1.57 x 5.71 x 8.27 inches (4.0 x 14.5 x 21.0 cm)   |   Package Dimensions: 1.6 x 5.7 x 8.3 inches (4.1 x 14.5 x 21.1 cm)

First Available: 2018-07-31

Amazon Price: $13.41 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $18.99

Warranty: Lifetime warranty

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  #6

Syba SD-PCI15039 2 Port DB9 RS-232 Serial PCI Card

Model: SD-PCI15039   |    Mpn: SD-PCI15039   |    Ean: 0810154013821   |    PartNumber: SD-PCI15039   |   Asin: B00GWAE3L4

The Syba SD-PCI15039 2 Port DB9 RS-232 Serial PCI Controller Card WCH351 Chipset can be installed in an available PCI slot to add two RS232 serial ports to your system. Using the latest chipset which supports Windows 8, this controller card is ideal for connecting to modem, cellular phone, PDA, ISDN terminal adapter, satellite receiver, graphic tablet, bar code scanner, label printer, automated teller machine, GPS, finger print identification, Infra-Red transceiver, packet radio, magnetic card reader, POS devices, multi-modem dial-up server, digital camera, automation interface, and card reader. Keeps old Serial devices alive.

Features

  • Supports Both Standard Profile and Low Profile Computer Chassis
  • Jumper Settings: (Voltage for Pin 1 and 9 of Each Serial DB9 Connector)CD/RI+5V+12V
  • Fully Compliant with PCI Local Bus Specification Revision 2.3
  • Supports Multiple Cards on One PC
  • Supports PCI Power management 1.2
  • Supports Both Standard Profile and Low Profile Computer Chassis
  • Fully Compliant with PCI Local Bus Specification Revision 2.3
  • Compatible to Industrial Standard 16C450, 16C550, 16C552 and Enhanced UART
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Brand: Syba   |   Manufacturer: Syba

Item Dimensions: 5.5 x 1.5 x 7 inches (14.0 x 3.8 x 17.8 cm)   |   Package Dimensions: 1.65 x 5.91 x 7.17 inches (4.2 x 15.0 x 18.2 cm)

Amazon Price: $10.13 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $19.98 | Used Price: $8.61

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  #7

SIIG Legacy and Beyond Series 2 Port (Dual) Serial / RS-232 PCIe Card with 16C550 UART

Model: LB-S00014-S1   |    Mpn: LB-S00014-S1   |    Ean: 0662774040110   |    PartNumber: LB-S00014-S1   |   Asin: B01N33BY23

SIIG s Dual-Serial Port / RS-232 PCIe Card is designed to add two 9-pin RS-232 serial ports to your PCI Express enabled desktop computer. This dual port serial PCIe adapter card features 256-byte FIFO buffer to support fast data transferring to ensure optimal performance in multitasking environment. This is a high performance adapter card to add two RS-232 serial ports for connecting additional serial-based devices such as a POS system, industrial testing and control device, security system, logistic management equipment and more.

Package Contents:
Dual-Serial Port / RS-232 PCIe Card
Driver CD
Installation guide

Features

  • Quickly adds two serial ports through an available PCI Express slot
  • Supports serial port data transfer rates up to 115.2 Kbps, compatible with 16C550 UART
  • 256-byte depth FIFO buffer supports fast data transfer especially in a multitasking environment
  • Perfect solution to connect with POS system, industrial testing and control device, security system, logistic management equipment, etc.
  • Chipset: ASIX/MosChip MCS9900CV-AA
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Brand: SIIG   |   Manufacturer: SIIG

Item Dimensions: 0.79 x 4.72 x 3.07 inches (2.0 x 12.0 x 7.8 cm)   |   Package Dimensions: 1.3 x 5.51 x 7.4 inches (3.3 x 14.0 x 18.8 cm)

Amazon Price: $25.99 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $25.99 | Used Price: $18.34

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  #8

RS232 to TTL Serial Converter - DB9 F/M - Bidirectional Transistor transistor Logic Adapter

Model: IC232TTL   |    Mpn: IC232TTL   |    Ean: 5054629707890   |    PartNumber: IC232TTL   |   Asin: B00TR8ZV64

This RS232 to TTL converter lets you connect devices that use RS232 serial ports to devices that only communicate using transistor-transistor logic (TTL) signals. It s a convenient and cost-effective solution to convert RS232 into TTL, so you can connect equipment together based on your devices signal requirements. Quick and reliable signal conversion This serial converter is ideal for short distance communication between two devices, and can be used to connect your computer to microcontroller-based embedded systems and industrial robotics. The reliable converter easily turns high voltage (-12 to +12V) RS232 signals into low voltage (0 to +5V) TTL signals, and provides bidirectional data communication at baud rates up to 115.2 Kbps. Platform independent for easy setup With a small-footprint design and no software or drivers required, you can easily pair your TTL equipment with virtually any device that features an RS232 DB9 serial port, such as computers, and industrial control equipment. Plus, if your host device doesn't feature a native RS232 port, this versatile converter can be coupled with a USB to RS232 serial adapter (SKU: ICUSB232D - sold separately). Integrates into mixed environments The converter delivers dependable performance at extended operating temperatures (-40 C to 85 C), so it integrates nicely into a variety of workplace settings. The IC232TTL is backed by a StarTech.com 2-year warranty and free lifetime technical support

Features

  • Easily convert an RS232 serial signal (-12 to +12V) to a transistor transistor logic signal (0 to +5V)
  • Bidirectional RS232 to TTL Serial Adapter
  • Platform independent with no drivers or software required
  • Fast and hassle-free setup
  • Supports baud rates up to 115.2 Kbps
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Brand: StarTech   |   Manufacturer: STARTECH.COM

Item Dimensions: 1.18 x 6.69 x 5.59 inches (3.0 x 17.0 x 14.2 cm)   |   Package Dimensions: 1.26 x 5.59 x 6.77 inches (3.2 x 14.2 x 17.2 cm)

Amazon Price: $35.15 | as of 11/17/2018(8:45pm pst)
Availibility:
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Warranty: 2 year warranty

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  #9

Dual Port Serial Industrial DB9 COM RS232 PCIe X1 Card for Desktop PC with Low Bracket Moschip MCS9922

Model: SD-PEX15022   |    Mpn: SD-PEX15022   |    Ean: 0810154012930   |    PartNumber: SD-PEX15022   |   Asin: B003D3MFHM

Based on one of the best known serial chipset MCS9901 for best performance. Ideal for connecting to modem, cellular phone, PDA, ISDN terminal adapter, Satellite receiver, graphic tablet, bar Code scanner, label printer, automated teller machine, GPS, finger print identification, Infra-Red transceiver, packet radio, magnetic card reader, POS devices, multi-modem dial-up server, digital camera, automation interface, and card reader. Keeps old serial devices alive.

Features

  • Fully compliant with PCI-Express base Specification Revision 1.0A
  • Chipset: MCS9922
  • Included Low profile bracket
  • Compatible with industrial standard 16C550 UART
  • On chip 256-byte depth FIFO in transmit
  • Form Factor: Low-profile
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Brand: Syba   |   Manufacturer: Syba

Item Dimensions: 1.2 x 4.8 x 5.6 inches (3.0 x 12.2 x 14.2 cm)   |   Package Dimensions: 1.6 x 5.6 x 6.8 inches (4.1 x 14.2 x 17.3 cm)

First Available: 2014-12-11

Amazon Price: $17.99 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $28.99

Warranty: 3 Year Warranty

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  #10

SIIG 2-Port RS232 Serial PCIe with 16950 UART (JJ-E02111-S1)

Model: JJ-E02111-S1   |    Mpn: JJ-E02111-S1   |    Ean: 6627740140052   |    PartNumber: JJ-E02111-S1   |   Asin: B005ORPHD4

SIIG's 2-Port RS232 Serial PCIe with 16950 UART adapter card is designed to add two 9-pin RS-232 serial PCI ports to your desktop computer. This PCI Express serial adapter features two high-speed 16950 UART serial ports with 128-byte FIFO buffer to support data transfer rates up to 230Kb/s. Additionally, this serial adapter works in any PCI Express slot of different lane widths. The 2-Port RS232 Serial PCIe with 16950 UART is the smart and cost effective solution to add two RS-232 serial ports for additional serial port device connections.

Features

  • Installs in any available PCI Express slot
  • Two high-speed 16950 UART serial ports with 128-byte FIFO buffers to dramatically increase data transmit/receive speed under windows multitasking environment
  • Installs in standard height or low profile chassis with included brackets
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Brand: SIIG   |   Manufacturer: SIIG

Item Dimensions: 4.72 x 0.71 x 2.9 inches (12.0 x 1.8 x 7.4 cm)   |   Package Dimensions: 1.6 x 6.3 x 8.8 inches (4.1 x 16.0 x 22.4 cm)

Amazon Price: $33.24 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $59.99

Warranty: 2 year

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  #11

SparkFun FTDI Basic Breakout - 3.3V

 Ean: 0799430213394   |    PartNumber: DEV-09873A   |   Asin: B004G52QR0

This is the newest revision of our FTDI Basic. We now use a SMD 6-pin header on the bottom, which makes it smaller and more compact. Functionality has remained the same. This is a basic breakout board for the FTDI FT232RL USB to serial IC. The pinout of this board matches the FTDI cable to work with official Arduino and cloned 3.3V Arduino boards. It can also be used for general serial applications. The major difference with this board is that it brings out the DTR pin as opposed to the RTS pin of the FTDI cable. The DTR pin allows an Arduino target to auto-reset when a new Sketch is downloaded. This is a really nice feature to have and allows a sketch to be downloaded without having to hit the reset button. This board will auto reset any Arduino board that has the reset pin brought out to a 6-pin connector. The pins labeled BLK and GRN correspond to the colored wires on the FTDI cable. The black wire on the FTDI cable is GND, green is DTR. Use these BLK and GRN pins to align the FTDI basic board with your Arduino target.

There are pros and cons to the FTDI Cable vs the FTDI Basic. This board has TX and RX LEDs that allow you to actually see serial traffic on the LEDs to verify if the board is working, but this board requires a Mini-B cable. The FTDI Cable is well protected against the elements, but is large and cannot be embedded into a project as easily. The FTDI Basic uses DTR to cause a hardware reset where the FTDI cable uses the RTS signal.

This board was designed to decrease the cost of Arduino development and increase ease of use (the auto-reset feature rocks!). Our Arduino Pro and LilyPad boards use this type of connector.

Features

Brand: SparkFun   |   Manufacturer: Sparkfun

Item Dimensions: 0.13 x 1 x 2 inches (0.3 x 2.5 x 5.1 cm)   |   Package Dimensions: 0.2 x 4.5 x 5.8 inches (0.5 x 11.4 x 14.7 cm)

Amazon Price: $15.95 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $14.95

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  #12

WINOGNEER Serial Port Expansion Board RS232 for Raspberry Pi 3 Model B / 2 B / B+ GPIO UART Shield With IR receive

Model: 1   |    Mpn: 1   |    Ean: 0723466645584   |    PartNumber: 1   |   Asin: B076Q1QKSX

WINGONEER trademark Reg.NO:4747611 WINOGNEER Serial Port Expansion Board RS232 for Raspberry Pi 3 Model B / 2 B / B+ GPIO UART Shield With IR receive Description: 1. Expansion board size: 65mm * 56.5mm, the standard Raspberry Pi HAT extension plate size 2. Power indicator 3. Infrared receiver function 4. GPIO extended function: A. Up to 16 independently with power and ground GPIO (3.3V level), and provide a corresponding relationship table, at a glance B. Two independent SPI extended interface with 1 I2C extended interface C.One RS232 standard serial port, can be directly connected to the PC etc. Package Included: 1 x WINGONEER GPIO Serial Port Expansion Board

Features

  • Up to 16 independently with power and ground GPIO (3.3V level), and provide a corresponding relationship table, at a glance
  • Two independent SPI extended interface with 1 I2C extended interface
  • One RS232 standard serial port, can be directly connected to the PC etc.
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Brand: WINGONEER®   |   Manufacturer: WINGONEER®

Item Dimensions: 0.59 x 3.74 x 4.53 inches (1.5 x 9.5 x 11.5 cm)   |   Package Dimensions: 0.59 x 3.74 x 4.53 inches (1.5 x 9.5 x 11.5 cm)

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  #13

Supermicro 9-Pin Serial Port Cable, with Low-profile Bracket (CBL-0010-LP)

Model: CBL-0010-LP   |    Mpn: CBL-0010-LP   |    Ean: 0672042019083   |    PartNumber: CBL-0010-LP   |   Asin: B000XULUZG

Supermicro CBL-0010-LP 9-pin Serial Port Cable, with Low-profile Bracket

Features

Brand: Supermicro   |   Manufacturer: Supermicro

Item Dimensions: 1 x 1 x 19.7 inches (2.5 x 2.5 x 50.0 cm)   |   Package Dimensions: 0.79 x 3.86 x 4.65 inches (2.0 x 9.8 x 11.8 cm)

Amazon Price: $14.84 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $12.60

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  #14

Raspberry Pi HAT - 32 I/O Port Expander - MCP23017 - I2C - Black

Model: HAT32IOPE   |    Mpn: HAT32IOPEB   |    Ean: 0648260628239   |    PartNumber: HAT32IOPEB   |   Asin: B01MYD2QTP

The Raspberry PI HAT - 32 I/O Ports Expander (HAT32IOPE) board is a 32 Input/Output digital expansion board designed for use on the Raspberry Pi A+, Raspberry Pi B+, Raspberry Pi 2 Model B, and Raspberry Pi 3 Model B. The board use two Microchip MCP23017 16-bit I/O expander, allowing you to connect up to 32 digital inputs or outputs to the Raspberry Pi. The HAT32IOPE is connected to Raspberry Pi using a 20x2 GPIO connector with extended pins that allow you to stack many extension boards in a single Raspberry Pi. You can select the I2C address using the on-board 3bits switches (ON=0 the pin is grounded, OFF=1 the pin is pull up to 5V). The MCP23017 supports up to 8 different I2C: Due to there are two MCP23017 per board you are allowed to stack up to four HAT32IOPE boards on a single Raspberry Pi for a maximum of 128 I/O ports. The right angle headers allow you to connect the I/Os while the boards are stacked. The HAT32IOPE may be powered thru a 5V input polarized male connector (now on a right angle connector, female cable to connect external supply included) or thru the Raspberry Pi GPIO 5V pins. If you use the first option you can power the Raspberry Pi shorting the "Back PWR" jumper or isolate the Pi and HAT32IOPE keeping it open. In order to power the HAT32IOPE thru the Raspberry Pi GPIO 5V pins the "Back PWR" jumper must be shorted. Use of an external supply is recommended when you connect more than one HAT32IOPE boards to your Raspberry Pi. Specifications: -Vdd (5V polarized input header without BACK PWR): 4.5V - 5.5V -All digital inputs and outputs: 0 - Vdd -Maximum current on a single I/O Pin (sourced or sunk): 25 mA -Maximum current on each MCP23017 chip: 125 mA

Features

  • 32 Digital Inputs/Outputs, based on the Microchip MCP23017 chip
  • Control via the Raspberry Pi I2C port, selectable I2C addresses thru switches
  • Stackable, up to 4 boards per Raspberry Pi, right angled headers for ease connection when stacked
  • All I/Os are 5V tolerant, built in 3.3V to 5V shifter for Raspberry Pi I2C port protection
  • Raspberry Pi can be Back Powered or isolated thru a jumper, The board can be powered thru the Raspberry Pi GPIO 5V pins, or thru a 5V polarized input header from an external supply
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Brand: Nation Electronics   |   Manufacturer: Nation Electronics Inc

Item Dimensions: 1.25 x 4.25 x 4.75 inches (3.2 x 10.8 x 12.1 cm)   |   Package Dimensions: 0.51 x 2.99 x 5 inches (1.3 x 7.6 x 12.7 cm)

Amazon Price: $24.99 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $24.99

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  #15

USB to Serial Adapter - Prolific PL-2303 - COM Port Retention - USB to RS232 Adapter Cable - USB Serial

Model: ICUSB232PRO   |    Mpn: ICUSB232PRO   |    Ean: 5054484050629   |    PartNumber: ICUSB232PRO   |   Asin: B000HVHDJ8

The ICUSB232PRO 1 ft USB to RS232 Serial DB9 Adapter Cable with COM Retention offers a professional grade solution for connecting legacy or industrial RS232 serial devices to a laptop or desktop computer through USB - eliminating the expense of upgrading serial peripherals for compatibility.
A time-saving and convenient USB/Serial solution, the adapter retains assigned serial COM port values in nonvolatile memory, allowing the same values to automatically be assigned to the adapter serial port if disconnected and reconnected, or disconnected from one USB port and installed in another.
A versatile connectivity solution that bridges legacy serial peripheral devices with newer USB-capable computers, the USB to Serial adapter offers broad operating system compatibility including Windows , Linux and Mac OS, for easy integration into mixed environments. Backed by a StarTech.com 2-year warranty and free lifetime technical support.

Features

  • Add an RS-232 serial port to your laptop or desktop computer through USB; features COM port retention
  • USB to Serial
  • USB to RS232
  • Easy plug and play installation with our USB Powered adapter
  • Supports data transfer rates of up to 920kpbs
  • See more on Amazon...

Brand: StarTech   |   Manufacturer: STARTECH.COM

Item Dimensions: 5.59 x 1.5 x 8.27 inches (14.2 x 3.8 x 21.0 cm)   |   Package Dimensions: 1.26 x 5.59 x 6.85 inches (3.2 x 14.2 x 17.4 cm)

Amazon Price: $11.99 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $18.00

Warranty: 2 year warranty

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  #16

UNIROI Mini Nano V3.0 CH340G ATmega328P 5V 16M Micro Controller Board for Arduino Nano UKY64

 Ean: 6932083826540   |    PartNumber: UKY64-US   |   Asin: B07CBS9CFW

UNIROI Arduino Nano V3.0 CH340G ATmega328P 5V 16M Micro Controller Board for Arduino

Specification:
Operating Voltage(logic level): 5V
8 analog inputs ports: A0 ~ A7
14 Digital input / output ports:TX,RX,D2 ~ D13
6 PWM ports: D3, D5, D6, D9, D10, D11

Features:
1 pairs of TTL level serial transceiver ports RX / TX
Using Atmel Atmega328P-AU MCU
There is bootloader installed in it
Support USB download and Power
Support for external 5V ~ 12V DC power supply
Support power supply by 9V battery

Package included:
1 x Arduino Nano V3.0 with ATMEGA328P Module for Arduino
2 x 15 pin headers
1 x 6 pin headers

Features

  • Operating Voltage(logic level):5V
  • Based on the Atmega328P-AU MCU, support ISP download, USB download and POWER.
  • Using ATmega328P and CH340G, not FT232RL as official Arduino.
  • Support for external 5V ~ 12V DC power supply; Support power supply by 9V battery.
  • Improved with 3pcs pin headers (2pcs 15pin headers +1pcs 6pin headers), No welding needed.
  • See more on Amazon...

Brand: UNIROI   |   Manufacturer: UNIROI

Package Dimensions: 1.26 x 2.68 x 2.76 inches (3.2 x 6.8 x 7.0 cm)

Amazon Price: $7.89 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $7.89

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  #17

Best Compute M.2 PCIe SSD to PCIe 3.0 x4 and M.2 SATA SSD to SATA III Adapter Card

Model: LYSB01E8A6SLC-ELECTRNCS   |    Mpn: LYSB01E8A6SLC-ELECTRNCS   |    Ean: 0762137320924   |    PartNumber: LYSB01E8A6SLC-ELECTRNCS   |   Asin: B01E8A6SLC

Use the Best Compute M.2 PCIe SSD to PCIe 3.0 x4 and M.2 SATA SSD to SATA III Adapter Card on your computer to take advantage of the latest generation of fast M.2 PCIe SSDs. Supports one M.2 PCIe (NVMe or AHCI) SSD and a second M.2 SATA 6Gbps SSD simultaneously. Supports M.2 form factor 2230, 2242, 2260 and 2280. Converts one M.2 (M Key) interface to PCIe 3.0 x4 interface (PCIe 2.0 Compatible). Converts one M.2 (B Key) interface to SATA 6Gbps interface (SATA connection required). No drivers required. Booting possible from M.2 NVMe SSD with compatible motherboards and supported BIOS. Intel 9 series and above chipset motherboards support booting from PCIe. Low profile bracket, SATA Cable and complete tool kit included for an effortless install. 1 Year Warranty. Support through our exclusive member community forum. Warranty valid only on products sold by Best Compute. Best Compute does not have any other authorized resellers. This is an Amazon listed product. Please Note: For installing the adapter card an empty PCIe 3.0 or 2.0 spec X4 slot should be available free in the motherboard. For installing SATA M.2 SSD, an empty SATA port should be available in the motherboard and the provided SATA cable should be used to connect the card to the motherboard SATA ports. Booting from PCIe SSDs depends on specific motherboard model, BIOS version and the Operating System used.

Features

  • Supports one M.2 PCIe (NVMe or AHCI) SSD and a second M.2 SATA 6Gbps SSD simultaneously. Supports M.2 form factors 2230, 2242, 2260 and 2280.
  • Converts one M.2 (M Key) interface to PCIe 3.0 x4 interface (PCIe 2.0 Compatible). Converts one M.2 (B Key) interface to SATA 6Gbps interface (SATA connection required). No drivers required. Booting possible from M.2 NVMe SSD with compatible motherboards with supported BIOS. Intel 9 series and above chipset motherboards support booting from PCIe. This adapter card is a passive device so OS and System compatibility solely depends on SSD model used.
  • Low profile bracket, SATA Cable and complete tool kit included for an effortless install
  • Please Note: For installing the adapter card an empty PCIe 3.0 or 2.0 spec X4 slot should be available free in the motherboard. For installing SATA M.2 SSD, an empty SATA port should be available in the motherboard and the provided SATA cable should be used to connect the card to the motherboard SATA ports. Booting from PCIe SSDs depends on specific motherboard model, BIOS version and the Operating System used. Please check system and OS compatibility with the SSD model.
  • 1 Year Warranty. User manuals, help documents and support available through our exclusive member community portal. Warranty valid only on products sold by Best Compute. Best Compute does not have any other authorized resellers. This is an Amazon listed product.
  • See more on Amazon...

Brand: Best Compute   |   Manufacturer: Best Compute

Item Dimensions: 1.5 x 5.5 x 5.5 inches (3.8 x 14.0 x 14.0 cm)   |   Package Dimensions: 0.8 x 5.3 x 5.4 inches (2.0 x 13.5 x 13.7 cm)

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  #18

StarTech.com 1U 7in Depth Universal Fixed Rack Mount Shelf - 33lbs / 15kg - 1U Rack Shelf - Server Cabinet Shelf - Fixed Rack Shelf

Model: PEX1S1P952   |    Mpn: PEX1S1P952   |    Ean: 0065030842600   |    PartNumber: PEX1S1P952   |   Asin: B0056Y2M1A

The PEX1S1P952 1S1P Native PCI Express Parallel/Serial Combo Card with 16950 UART turns a PCI Express slot into 1 RS232 (DB9) serial, and 1 parallel port.

The combo card features a native PCI Express single chip design that allows you to take advantage of full PCI Express capability, providing improved speed and reliability while reducing the load applied to the CPU by as much as 48% over conventional serial cards that use a bridge chip design.

This 1-Port Serial/1-Port Parallel card offers compatibility with a broad range of operating systems including Windows (32/64-bit) and Linux, for easy integration into mixed environments. The card also features an optional low profile/half-height bracket that enables you to install the card in virtually any computer case, regardless of form factor.

Backed by a StarTech.com Lifetime warranty and free lifetime technical support.

Features

  • Add a parallel and serial port through a standard or low-profile PCI Express slot
  • PCI Express Serial Parallel Card
  • PCI Express Serial Card
  • Standard and low profile/half-height bracket included to ensure fitment in any system
  • Native single chip, single lane PCI Express
  • See more on Amazon...

Brand: StarTech   |   Manufacturer: STARTECH.COM

Item Dimensions: 1.22 x 5.63 x 6.89 inches (3.1 x 14.3 x 17.5 cm)   |   Package Dimensions: 1.26 x 5.51 x 6.54 inches (3.2 x 14.0 x 16.6 cm)

Amazon Price: $38.97 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $64.99

Warranty: Lifetime warranty

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  #19

Lenovo 0A89463 Storage controller (RAID), SATA 6Gb/s/SAS

Model: 0A89463   |    Mpn: 0A89463   |    Ean: 0886843679241   |    PartNumber: 0A89463   |   Asin: B008AZRS3Y

RAID 700 Adapter 2. Eight internal 6 Gbps sata+sas ports. Supports for 3 Gbps and 6 Gbps SATA and SAS hard drives. Two Mini-SAS internal connectors.

Features

  • Eight internal 6 Gbps sata+sas ports
  • Supports for 3 Gbps and 6 Gbps SATA and SAS hard drives
  • Two Mini-SAS internal connectors
  • See more on Amazon...

Brand: Lenovo   |   Manufacturer: Lenovo

Item Dimensions: 6.75 x 8 x 10 inches (17.1 x 20.3 x 25.4 cm)   |   Package Dimensions: 7.17 x 7.72 x 10.63 inches (18.2 x 19.6 x 27.0 cm)

Amazon Price: $79.99 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $79.99

Warranty: 1 year warranty

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  #20

StarTech.com 2 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART - PCIe RS232 - PCI-E Serial Card

Model: PEX2S553LP   |    Mpn: PEX2S553LP   |    Ean: 0132017624174   |    PartNumber: PEX2S553LP   |   Asin: B0041UE4G6

The PEX2S553LP low profile/half-height PCI Express Serial Card turns a PCI Express slot into two RS232 (DB9) serial connections. The card is constructed using a native single chip design that lets you harness the full capability offered by PCI Express (PCIe), while reducing the load applied to the CPU by as much as 48% over conventional bridge chip serial cards. The PCI Express RS232 Serial Adapter Card is compatible with a broad range of operating systems, including Windows 2000/XP/2003/Vista/Windows 7/Server 2008 R2 (32 and 64-bit), Linux Kernel 2.6.11 to 4.11.x, and ships with a low profile/half-height bracket installed but includes an optional full profile bracket that lets you add 2 serial ports to virtually any computer (regardless of the case form factor). This product is a replacement for our PEX2S552LP card. Backed by a StarTech.com Lifetime warranty and free lifetime technical support.

Features

  • PCI Express Serial Card
  • PCI-e Serial Card
  • Pre-configured with half-height mounting bracket for low profile systems, but includes a full profile bracket for versatility
  • Ships with half-height/low profile mounting bracket, includes optional standard profile bracket
  • See more on Amazon...

Brand: StarTech   |   Manufacturer: STARTECH.COM

Item Dimensions: 3.15 x 4.13 x 3.15 inches (8.0 x 10.5 x 8.0 cm)   |   Package Dimensions: 1.57 x 5.83 x 8.35 inches (4.0 x 14.8 x 21.2 cm)

Amazon Price: $27.58 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $32.25

Warranty: 1 year warranty

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  #21

AIKE DB9 9-pin Female Adapter RS-232 Serial Port Interface Breakout Board Connector 5Pcs

 Ean: 0704270434403   |    PartNumber: 4335229057   |   Asin: B076D7HN77

9 signal name, serial number clearly marked, the board sides are marked Female DB9 with Screwlock / Jack screws for mounting the adaptor board to a wall box or panel that has a DB9 cut-out These adapter boards can be mounted directly to the equipment without using extension cables. Hole diameter: 33mm Size: 38mm x 30mm x 14mm Package included: 5 x DB9 9-pin Female RS-232 Breakout Board Connector

Features

  • Screw terminal for all 9 pins
  • Anti-oxidation, better contacts
  • Simple and quick connections installation.
  • Female DB9 connector with Screwlocks / Jack Screws
  • Used for experimentation or prototype work with RS-232 serial ports, I/O cards, and any other device that uses a DB9 connector.
  • See more on Amazon...

Brand: AIKE   |   Manufacturer: AIKE

Package Dimensions: 0.71 x 3.9 x 5.71 inches (1.8 x 9.9 x 14.5 cm)

Amazon Price: $16.99 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $16.99

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  #22

Syba 1 Port DB25 Parallel PCIe x1 Controller Card Components Other SI-PEX10010 Green

Model: SI-PEX10010   |    Mpn: SI-PEX10010   |    Ean: 0810154013838   |    PartNumber: SI-PEX10010   |   Asin: B00GX9HYWE

Based on WCH382l chipset, the Syba SI-PEX10010 1 port DB25 parallel PCI-E X1 controller card adds a legacy parallel port to computer for external peripheral device such as printer, and industrial automation applications, which keeps old printer running.

Features

  • Fully compliant with PCI Express base Specification, Revision 1.0A
  • PCIe multi function peripheral controller with x1 Lane interface
  • Supports D1, D2, D3hot and D3cold
  • Utilizes 100-MHz Differential PCI Express common reference Clock
  • Form Factor: Low-profile
  • See more on Amazon...

Brand: Syba   |   Manufacturer: Syba

Item Dimensions: 1.2 x 4.4 x 5.6 inches (3.0 x 11.2 x 14.2 cm)   |   Package Dimensions: 1.6 x 5.7 x 6.9 inches (4.1 x 14.5 x 17.5 cm)

Amazon Price: $16.00 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $24.99 | Used Price: $9.99

Warranty: One year warranty

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  #23

StarTech.com 1 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART

Model: PEX1S553LP   |    Mpn: PEX1S553LP   |    Ean: 5054480713672   |    PartNumber: PEX1S553LP   |   Asin: B0041ULUX6

The PEX1S553LP PCI Express Serial Card turns a PCI Express slot into an RS232 (DB9) serial connection.

The card is constructed using a native single chip design that lets you harness the full capability offered by PCI Express (PCIe), while reducing the load applied to the CPU by as much as 48% over conventional bridge chip serial cards.

The PCI Express RS232 Serial Adapter Card is compatible with a broad range of operating systems, including Windows 2000/XP/2003/Vista/Windows 7/Server 2008 R2 (32 and 64 bit), Linux Kernel 2.6.11 to 4.11.x, and ships with a low profile/half-height bracket installed, but includes an optional full profile bracket that lets you add a serial port to virtually any computer (regardless of the case form factor).

This product is a replacement for our PEX1S552LP card.

Backed by a StarTech.com Lifetime warranty and free lifetime technical support.

Features

  • Add a RS-232 serial port to your standard or small form factor computer through a PCI Express expansion slot
  • PCI Express Serial Card
  • PCI-e Serial Card
  • Pre-configured for low profile/half-height systems but includes a full profile bracket for versatility
  • Ships with half-height/low profile mounting bracket, includes standard bracket
  • See more on Amazon...

Brand: StarTech   |   Manufacturer: STARTECH.COM

Item Dimensions: 0.79 x 4.13 x 3.15 inches (2.0 x 10.5 x 8.0 cm)   |   Package Dimensions: 1.42 x 5.83 x 8.35 inches (3.6 x 14.8 x 21.2 cm)

Amazon Price: $34.72 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $34.72 | Used Price: $14.99

Warranty: 1 year warranty

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  #24

Brainboxes XC-235 Serial Adapter

Model: XC-235   |    Mpn: XC-235   |    Ean: 8373240027130   |    PartNumber: XC-235   |   Asin: B00CL61UQY

Express Card providing one port RS232. Where absolute compatibility with classic desktop serial COM ports is a necessity. Guaranteed low latency, memory mapped, no compromise high performance interface. Up to 921,600 data transfer rates and the 128 byte deep transmit and 128 byte receive FIFOS, coupled with 1Mbit/s line drivers deliver uncompromising performance on your laptop. Drivers for Windows 32 bit and 64 bit Operating Systems including Windows XP, Server 2003, Vista, Server 2008 and Windows 7.

Features

Brand: Brainboxes   |   Manufacturer: Brainboxes

Item Dimensions: 0.8 x 4 x 1.5 inches (2.0 x 10.2 x 3.8 cm)   |   Package Dimensions: 1.89 x 5.35 x 6.38 inches (4.8 x 13.6 x 16.2 cm)

First Available: 2018-11-15

Amazon Price: $97.32 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $159.00 | Used Price: $9,780.63

Warranty: Limited lifetime warranty

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  #25

Lenovo - 1 Port Serial Adapter (Ruggedised) - 1 X 9-Pin Db-9 Male RS-422/485 Serial

Model: PM-154-001   |    Mpn: PM-154-001   |    Ean: 0837324001051   |    PartNumber: PM-154-001   |   Asin: B001DRNCFE

Pc card providing one RS422/485 serial port. Up to 921, 600 data transfer rates and the 128 byte deep transmit and 128 byte receive fifos, coupled with 1Mbit/s line drivers deliver uncompromising performance on your laptop/PC.

Features

  • Pc card providing one ruggedized RS422/485 Serial port.
  • Data transfer rates up to 921, 600 baud rates and the 128 byte deep transmit and 128 byte receive fifos,
  • Drivers for Windows 32 Bit and 64 Bit operating systems including Windows 95/98/2000, XP, server 2003, Vista, server 2008 and Windows 7
  • See more on Amazon...

Brand: Lenovo   |   Manufacturer: Lenovo

Item Dimensions: 9.5 x 3 x 7 inches (24.1 x 7.6 x 17.8 cm)   |   Package Dimensions: 1.6 x 5.9 x 5.9 inches (4.1 x 15.0 x 15.0 cm)

First Available: 2018-11-15

Amazon Price: $130.06 | as of 11/17/2018(8:45pm pst)
Availibility: Usually ships in 24 hours
List Price: $130.37

Warranty: no warranty

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