StarTech.com

StarTech.com 1S1P Native PCI Express Parallel Serial Combo Card with 16950 UART (PEX1S1P952)

Name: StarTech.com 1S1P Native PCI Express Parallel Serial Combo Card with 16950 UART (PEX1S1P952)
Brand: StarTech.com
SKU: B0056Y2M1A

Bottom line: The StarTech.com 1S1P Native PCI Express Parallel Serial Combo Card is a specs-and-price decision rather than a crowd-consensus one in the expansion 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 Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-19

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. About the author →

Pros & Cons

Pros

✓ Add a parallel and serial port through a standard or low-profile PCI Express slot

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Used and vintage listings vary by seller and condition — check the listing photos, description and return terms before buying

Manufacturer description

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…

SpecPicks Verdict

SpecPicks scored StarTech.com 1S1P Native PCI Express Parallel Serial Combo Card using a rating × review-volume × price-fit model applied to published specs and reviews across the expansion cards category. StarTech.com's expansion 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 expansion 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

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

Full Specifications

Brand	StarTech.com
Style	Classic
Style Name	Classic
Model Number	PEX1S1P952
Mfr Part Number	PEX1S1P952
Compatible Devices	Laptop, Personal Computer
Hardware Interface	IEEE 1284, PCI
Warranty Description	Lifetime warranty
Global Trade Identification Number	00065030842600

Ready to buy?

StarTech.com 1S1P Native PCI Express Parallel Serial Combo Card with 16950 UART (PEX1S1P952) is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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