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StarTech 8-Port PCI Express RS232 Serial Adapter Card, TAA (PEX8S1050)
StarTech.com

StarTech 8-Port PCI Express RS232 Serial Adapter Card, TAA (PEX8S1050)

Bottom line: The StarTech.com StarTech 8-Port PCI Express RS232 Serial Adapter 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 , 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

Add eight RS-232 DB9 serial ports to your desktop computer, through a PCIe expansion card slots. This PCI express serial card, with 8-port breakout cable, provides you with multiple ports to connect a wide variety of serial peripherals, at speeds of up to 921.4Kbps. Connect your Peripherals with 8 Serial Ports The PCI express serial port card makes it easy to add serial ports to connect your peripherals including printers, scanners, credit/debit card readers, PIN pads and modems, industrial controls and more. The 8 port PCIe serial card includes a breakout cable - with 8 DB9 connectors…

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SpecPicks Verdict

SpecPicks scored StarTech.com StarTech 8-Port PCI Express RS232 Serial Adapter 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

  • 8 PORT SERIAL CARD: Serial controller card w/ 16C1050 UART based on the Systembase SB16C1058PCI, w/15kV ESD, 8x DB9 ports, bi-directional RS232 speeds up to 921.6Kbps per port & 256 byte FIFO buffer; Upgraded version of our popular card PEX8S952
  • OPTIONAL CONFIGURABLE POWER: Multiport serial card provides 12v/5v, or none on pin 9 w/up to 3A total shared; 18"/48cm DB62 to 8x DB9 breakout cable incl; Hex nuts incl for opt screw/nut DB9 interface
  • WINDOWS ONLY: Full profile PCI-e 1x card and fully compliant w/ PCI Express Base Specifications, Revision 1.0a/1.1; Supports Windows (incl. XP and up) and Windows Server (2003 and up); For standard profile desktop/servers
  • VERSATILE APPLICATIONS: PCI Express RS232 serial adapter card for within point of sale terminals, PLCs, control/automation in factories, scientific sensors, medical equipment, scanners, oscilloscope
  • TECH SPECS: System Base SB16C1058PCI Chipset; 16C1050 UART compatible; 8x 9-Pin D-Sub Ports; Max Baud 921.6Kbps per port; 256 Byte FIFO; Supports Windows Only; None, Even, or Odd Parity Modes; 5/6/7/8 Data Bits; RS-232 Protocol; Standard Profile Bracket

Full Specifications

BrandStarTech.com
StyleFull Profile
Style NameFull Profile
Unit Count1 count
Model NumberPEX8S1050
Item Type NameMultiport Serial Adapter
Mfr Part NumberPEX8S1050
Number of Items1
Number of Packs1
Compatible DevicesDevices with serial ports running Windows or Linux operating systems
Hardware InterfacePCI Express x1, Serial Interface
Warranty DescriptionLifetime
Item Dimensions L x W x H4.1"L x 0.6"W x 4.7"H
Global Trade Identification Number00065030888295

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StarTech 8-Port PCI Express RS232 Serial Adapter Card, TAA (PEX8S1050) 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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StarTech 8-Port PCI Express RS232 Serial Adapter Card, TAA (PEX8S1050)
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