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StarTech.com

StarTech.com 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, COM Retention, Windows & Linux

$79.99
$55.46 SAVE $24.53
34 availableas of 09/17/2026

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Should arrive by Thu, Oct 1 with free ground shipping

Compliance, certifications and origin

  • RoHS
  • Origin: Taiwan
Rated excellent by our customers Read our reviews

Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

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Secure checkoutISO 9001:2015 and CMMC certifiedFamily owned since 1982

Free shipping on most items when you spend $100 or more.

Real people answer: chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.

Overview

View user manual

Add serial communication support to a Small Form Factor (SFF) or full-size system, using this two-port serial card. RS-232 (DB9) support enables control and communication with serial peripheral devices.

Legacy Connectivity

Install this card to enable the continued use of legacy serial devices, preventing down time and avoiding costly upgrades. The 2-port PCIe serial card is ideal for system upgrades in a wide range of applications for logistics, manufacturing, and freight sectors, and the IT industry, such as POS equipment, security systems, A/V installations, and more.

Connect with Ease

The RS-232 card features dual ports with 16C1050 UART support, 256-byte FIFO (transmit/receive), bi-directional speeds up to 921.6 Kbps per port, low-profile brackets are included for SFF systems, and serial port LED status lights. In addition, it supports Windows and Linux systems for maximum compatibility.

21050-PC-SERIAL-LP is backed for 2-years by StarTech.com, including free lifetime 24/5 multi-lingual technical assistance.

Technical specifications

General Information

Manufacturer StarTech.com
Manufacturer Part Number 21050-PC-SERIAL-LP
Manufacturer Website Address http://www.startech.com
Brand Name StarTech.com
Product Name Two-Port PCIe Serial Card
Packaged Quantity 1
Product Type Serial Adapter

Technical Information

Host Interface PCI Express 2.0 x1
Platform Supported PCLinux

Interfaces/Ports

Number of Serial Ports (External) 2

Physical Characteristics

Form Factor Plug-in Card
Card Height Low-profile
Height 0.7"
Width 2.6"
Depth 2.6"
Weight (Approximate) 5.64 oz

Miscellaneous

Package Contents
  • Two-Port PCIe Serial Card
  • 1 x Full Profile Bracket
  • 2 x Low Profile Bracket
  • 1 x Quick-Start Guide
Green Compliant Yes
Environmental Compliance Restriction of Hazardous Substances (RoHS)
Country of Origin Taiwan

Warranty

Limited Warranty 2 Year

Ratings and reviews

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Shipping and returns

Free shipping on most items when you spend $100 or more. In-stock items ship on the next open shipment slot. The buy box above shows the live order-by countdown and the estimated arrival date.

Need to send it back? Start a return online with a Request RMA and our team will take care of you. Keep the original packaging. Items must be returned in the condition received.

Questions about shipping or returns? Chat with us, email customerservice@colamco.com, or call 1-800-692-8757, Monday to Friday, 8am to 5pm EST.