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X-MEDIA XM-PEX-2S PCI-E 2-Port Dual DB9 Serial/RS232 Port PCI Express (PCIe x1) Controller Card | WCH382L Chipset | 16C550/16C552/16C554 and 16C750 UART
X-MEDIA

X-MEDIA XM-PEX-2S PCI-E 2-Port Dual DB9 Serial/RS232 Port PCI Express (PCIe x1) Controller Card | WCH382L Chipset | 16C550/16C552/16C554 and 16C750 UART

Bottom line: The X-MEDIA XM-PEX-2S PCI-E 2-Port Dual DB9 Serial/RS232 Port PCI Express is a specs-and-price decision rather than a crowd-consensus one in the retro graphics cards category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Compliant with PCI Express Specification Rev 1.1
  • ✓ Backed by X-MEDIA's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

The XM-PEX-2S Dual RS232/Serial Port PCI Express (PCIe) Adapter Card is designed to add two 9-pin RS232/Serial ports to your PCI Express enabled desktop computer. This dual port RS232/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 RS232/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. Both standard and low profile…

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SpecPicks Verdict

SpecPicks scored X-MEDIA XM-PEX-2S PCI-E 2-Port Dual DB9 Serial/RS232 Port PCI… using a rating × review-volume × price-fit model applied to published specs and reviews across the retro graphics cards category. X-MEDIA's retro graphics cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for retro graphics cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Compliant with PCI Express Specification Rev 1.1
  • Compatible with 16C550/16C552/16C554 and 16C750 UART
  • Supports 256-byte FIFO buffer; Supports 5-6-7-8-bit serial format; Data transfer rate up to 115Kbps on each port
  • Standard and Low Profile Bracket Included
  • Supported OS: Windows 98SE / ME / XP / Vista / 7 / 8 / 8.1 / 10; Windows Server 2000 / 2003 / 2008 / 2016; DOS; Linux

Full Specifications

BrandX-MEDIA
StyleSerial Controller Card
Style NameSerial Controller Card
Model NumberXM-PEX-2S
Supported OSWindows 98SE / ME / XP / Vista / 7 / 8 / 8.1 / 10; Windows Server 2000 / 2003 / 2008 / 2016; DOS; Linux
CompatibilityLinux
Built-In MediaCD Driver Disk w/User Guide, Low Profile Bracket, XM-PEX-2S 2-Port Dual Serial PCIe Card
Mfr Part NumberXM-PEX-2S
Compatible DevicesPersonal Computer
Hardware InterfacePCI Express x1, Serial Interface
Warranty Description1 Year Warranty
Item Dimensions L x W x H4.75"L x 3.38"W x 0.75"H

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X-MEDIA XM-PEX-2S PCI-E 2-Port Dual DB9 Serial/RS232 Port PCI Express (PCIe x1) Controller Card | WCH382L Chipset | 16C550/16C552/16C554 and 16C750 UART is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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X-MEDIA XM-PEX-2S PCI-E 2-Port Dual DB9 Serial/RS232 Port PCI Express (PCIe x1) Controller Card | WCH382L Chipset | 16C550/16C552/16C554 and 16C750 UART
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