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Item#: N82E16815158364CVF

StarTech 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 Model PEX4S232485

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  • PCI Express to Serial Port Card

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the STARTECH PEX4S232485




PCI Express to Serial Port Card
External Ports
2 x RS232
2 x RS422 / RS485
Operating Systems Supported
Windows 8 (32/64bit), 7 (32/64), Vista(32/64), XP(32/64), 2000
Windows Server 2008 R2, 2003(32/64)
Linux Kernel 2.6.x
Data Bits: 5, 6, 7, 8

FIFO: 256 Bytes

Flow Control: None, Xon/Xoff, RTS/CTS

Max Baud Rate: 460.8 Kbps

Parity: None, Odd, Even, Space, Mark

Serial Protocol: RS-232/422/485

Stop Bits: 1, 1.5, 2

Supported Protocols: RS-232, RS-422, RS-485 2-wire / 4-wire


4 port (2 x RS232, 2 x RS422/485) serial combo card

RS232 data transfer rates up to 460 Kbps

Supports 2-Wire / 4-Wire RS485 modes

256-byte deep FIFO per transmitter and receiver

Standard and low-profile bracket included

Compliant with PCI-Express Specification 1.0a

Supports PCI Power Management 1.1

Dimensions & Weight

0.6" x 2.7" x 5.3"
2.4 oz.


Package Contents
1 - PCI Express Serial Combo Card
1 - Breakout Cable
1 - Low Profile Bracket
1 - Driver CD
1 - Instruction Manual
Warranty, Returns, And Additional Information
  • Return Policies
  • We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1, 2016 and December 24, 2016 you will have until January 31, 2017 to return your product. There's nothing additional that you have to do!
    • Return for refund until: January 31, 2017
    • Return for replacement until: January 31, 2017
  • This item is covered by's Extended Holiday Return Policy.
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