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StarTech 2-Port PCI Express Serial Interface Card, TAA (21050-PC-SERIAL-LP)
StarTech.com

StarTech 2-Port PCI Express Serial Interface Card, TAA (21050-PC-SERIAL-LP)

Bottom line: The StarTech.com StarTech 2-Port PCI Express Serial Interface Card is a specs-and-price decision rather than a crowd-consensus one in the expansion cards category, priced around $59.84 on Amazon as of 2026-10-26 22:16 UTC. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$59.84 on Amazon, checked (price may vary)

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Buy on Amazon — $59.84 Compare to similar expansion cards

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.

*Price sourced from Amazon.com. Last updated 2026-10-26. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Backed by StarTech.com'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

PCIE TO SERIAL: Connect serial RS232 (DB9) devices to a computer with this low profile PC serial card; Features support for high performance 16C1050 UART on both DB9 male ports; Monitor activity with the built-in LED status lights on the PCI express DB9 card DEVICE COMPATIBILITY: Use this serial interface card to connect barcode readers/scanners, receipt printers, scales, PLCs, medical devices, etc; The UART PCIe card supplies 5V or 12V power over pin 9; Full-profile bracket included APPLICATIONS: This card is ideal for IT applications such as server rooms, industrial control/automation…

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SpecPicks Verdict

SpecPicks scored StarTech.com StarTech 2-Port PCI Express Serial Interface 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

  • PCIE TO SERIAL: Connect serial RS232 (DB9) devices to a computer with this low profile PC serial card; Features support for high performance 16C1050 UART on both DB9 male ports; Monitor activity with the built-in LED status lights on the PCI express DB9 card
  • DEVICE COMPATIBILITY: Use this serial interface card to connect barcode readers/scanners, receipt printers, scales, PLCs, medical devices, etc; The UART PCIe card supplies 5V or 12V power over pin 9; Full-profile bracket included
  • APPLICATIONS: This card is ideal for IT applications such as server rooms, industrial control/automation, logistics, and laboratories; Continue using legacy hardware with this RS232 PCIe card; DB9 ports accept screw locking serial cables
  • DUAL SERIAL PORT CARD SPECS: 16C1050 UART, Max Baud 921.6 Kbps per Port, 256 Byte FIFO, COM Retention, Supports Windows/Linux, ASIX AX99100 Chipset, Odd/Even/Mark/Space/None Parity Modes, 5/6/7/8/9 Data Bits, PCIe 2.0 x1, Low-Profile Brackets Installed

Full Specifications

BrandStarTech.com
ColorYellow
Model21050-PC-SERIAL-LP
Warranty2-Year
UnitCount1
ReleaseDate2023-04-03T00:00:01Z
ManufacturerStarTech.com
ItemPartNumber21050-PC-SERIAL-LP

Hardware benchmark data

Ready to buy?

StarTech 2-Port PCI Express Serial Interface Card, TAA (21050-PC-SERIAL-LP) 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.

Buy on Amazon — $59.84

*Price sourced from Amazon.com. Last updated 2026-10-26. Price and availability subject to change.

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StarTech 2-Port PCI Express Serial Interface Card, TAA (21050-PC-SERIAL-LP)
$59.84
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