Skip to main content
StarTech 1-Port PCI Express Serial Card, TAA (11050-PC-SERIAL-CARD) | PCIe to RS232 (DB9) Serial Interface Card, 16C1050 UART, COM Retention, Windows/Linux, Standard/Low Profile Brackets
StarTech.com

StarTech.com StarTech 1-Port PCI Express Serial Card

Bottom line: The StarTech.com StarTech 1-Port PCI Express Serial 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.

Check price on Amazon

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Check price on Amazon → 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.

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

Connect a serial RS232 (DB9) device using this PC Serial Card. Supports 16C1050 UART. LED status lights to monitor activity on the PCI express DB9 card - Use this serial interface card to connect barcode readers/receipt printers/scales PLCs/medical devices. The UART PCIe card can supply 5V or 12V over pin 9. Low profile bracket included - This card is ideal for IT applications e.g. server rooms/industrial control/automation/logistics/labs. Continue using legacy hardware with this RS232 PCIe card.

Related Products

Other products in this category you may like:

SpecPicks Verdict

SpecPicks scored StarTech.com StarTech 1-Port PCI Express Serial 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 a serial RS232 (DB9) device to a computer with this PC serial card. Features support for high performance 16C1050 UART. Monitor activity with the built-in LED status lights on the PCI express DB9 card
  • DEVICE COMPATIBILITY: Use this serial interface card to connect with barcode readers/scanners, receipt printers, scales, PLCs, medical devices, etc. The UART PCIe card supplies 5V or 12V power over pin 9. Low-profile bracket is 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 port accepts screw locking serial cables
  • PC SERIAL CARD SPECS: 1 Port | 16C1050 UART | Max Baud 921.6 Kbps | 256 Byte FIFO | COM Retention | Supports Windows and Linux | Asix AX99100 Chipset | Odd/Even/Mark/Space/None Parity Modes | 5/6/7/8/9 Data Bits | PCIe 2.0 x1 | Low-profile Bracket Included

Full Specifications

BrandStarTech.com
StyleASIX
Style NameASIX
Unit Count1 count
Model Number11050-PC-SERIAL-CARD
CompatibilityPC, Linux
Mfr Part Number11050-PC-SERIAL-CARD
Number of Items1
Number of Packs1
Compatible DevicesBarcode readers/scanners, receipt printers, scales, PLCs, medical devices
Hardware InterfaceSerial Interface
Warranty Description2-Year
Item Dimensions L x W x H2.9"L x 0.7"W x 4.7"H
Full listing titleStarTech 1-Port PCI Express Serial Card, TAA (11050-PC-SERIAL-CARD) | PCIe to RS232 (DB9) Serial Interface Card, 16C1050 UART, COM Retention, Windows/Linux, Standard/Low Profile Brackets

Ready to buy?

StarTech 1-Port PCI Express Serial Card, TAA (11050-PC-SERIAL-CARD) | PCIe to RS232 (DB9) Serial Interface Card, 16C1050 UART, COM Retention, Windows/Linux, Standard/Low Profile Brackets 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.

Check price on Amazon →

Related Expansion Cards

Keep exploring SpecPicks

Other buying guides

Browse the catalog

Editorial

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →
StarTech 1-Port PCI Express Serial Card, TAA (11050-PC-SERIAL-CARD) | PCIe to RS232 (DB9) Serial Interface Card, 16C1050 UART, COM Retention, Windows/Linux, Standard/Low Profile Brackets
View on Amazon →