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Item#: N82E16815201059

Koutech 2-Port RS-232 Serial PCI-Express (x1) Add-On Card Model IO-PES231

  • PCI Express to Serial Port Card

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  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the Koutech IO-PES231




PCI Express to Serial Port Card
External Ports
2 x Serial Ports
Operating Systems Supported


Windows 2000 / XP / Server 2003 / Vista / Server 2008 / 7

(Supports both 32bit & 64bit OSes)


Two (2) 16C950 RS-232 serial ports

Two (2) external 9-pin connectors (DB9)

With 128Kbyte FIFOs that may reduce CPU overhead and improve overall system performance dramatically

Built-in ? 15KV ESD protection for all serial signals meets IEC1000-4-2 standard

I/O addresses & IRQ levels are auto assigned by BIOS

Fully compliant with one-lane 2.5Gbit/sec PCI Express specification (PCIe x1 slot)

Supports HyperTerminal, external high-speed 56K/ISDN modems, etc.

Fully Plug-N-Play compatible

System Requirements:
PC with 256MB of RAM and 2.0GHz or faster processor
One (1) available PCI Express slot
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details

Customer Reviews of the Koutech IO-PES231

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  • Anonymous
  • 6/29/2013 4:54:13 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsFlawless

Pros: Works with Windows 7 and 8 64 bit, drivers are found on Koutech website.

Cons: none

Did you find this review helpful? Yes No

  • Ryan O.
  • 11/28/2012 8:44:23 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsBest PCI Express 2 Port Serial Card on here.

Pros: The card works as promised. I have tried others and ran into various driver issues. My guess is its more difficult to build a serial card to work on the PCI Express Bus.

Cons: None.

Did you find this review helpful? Yes No

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Item#: N82E16815201059
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