StarTech
.com 8-Port PCI Express RS232 Serial Adapter Card, PCIe to Serial DB9 Card, 16C1050 UART, 15kV ESD - Windows Only, TAA
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
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…
SpecPicks Verdict
SpecPicks classifies StarTech.com 8-Port PCI Express RS232 Serial Adapter Card, PCIe to… as a niche pick — read recent reviews before buying in the expansion cards category, based on 3 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. StarTech's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Backed by StarTech's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Below-average customer rating — read recent reviews before buying
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
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
| Brand | StarTech.com |
|---|---|
| Style | Full Profile |
| Style Name | Full Profile |
| Unit Count | 1.0 Count |
| Model Number | PEX8S1050 |
| Item Type Name | Multiport Serial Adapter |
| Mfr Part Number | PEX8S1050 |
| Operating System | Windows |
| Compatible Devices | Devices with serial ports running Windows or Linux operating systems |
| Hardware Interface | PCI Express x1, Serial Interface |
| Warranty Description | Lifetime |
| Item Dimensions L x W x H | 4.1"L x 0.6"W x 4.7"H |
| Global Trade Identification Number | 00065030888295 |
Ready to buy?
StarTech.com 8-Port PCI Express RS232 Serial Adapter Card, PCIe to Serial DB9 Card, 16C1050 UART, 15kV ESD - Windows Only, TAA is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
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