StarTech 2-Port PCI RS232 Serial Adapter Card, Dual Serial DB9 Ports

StarTech 2-Port PCI RS232 Serial Adapter Card, Dual Serial DB9 Ports

Regular price $34.16 Save $-34.16

Only 40 items in stock! 2-Port PCI RS232 Serial Adapter Card, Dual Serial DB9 Ports, Expansion/Controller Card, Windows/Linux, Standard/Low Profile - Dual port PCI RS232 serial adapter card 16C550 UART/ASIX MCS9865 - Expansion/controller card with speeds up to 115.2Kbps/COM port | 256 byte FIFO | 9th data bit - Even/Odd/No/Space/Mark Parity - Standard bracket (low profile incl) - Windows/Linux

This multiport PCI RS232 serial adapter card lets you add two RS232 (DB9) serial ports to your computer through a PCI slot, as if they were native serial ports. The dual port PCI serial card enables you to interact with serial devices, such as card readers, printers, PIN pads, and modems, at speeds of up to 115.2Kbps.

Maximum Compatibility

With broad OS support, including for Windows (7 and up), and Linux (2.6.x to 5.x LTS versions only), this 2 port PCI serial card is easy to integrate into mixed environments. The card comes pre-configured with a full-profile bracket, and includes optional low-profile brackets, so installation is easy regardless of the case form factor. This card is a direct replacement for PCI2S550_LP and PCI2S550.

Number of Serial Ports 2
Technical Information
Host Interface PCI
Physical Characteristics
Weight (Approximate) 4.97 oz
Form Factor Plug-in Card
Height 4.7"
Width 0.9"
Product Color Black
Additional Information


    • Serial Protocol RS-232
    • Max Baud Rate 115.2 Kbps
    • Data Bits 5, 6, 7, 8, 9
    • FIFO 256 Bytes
    • Flow Control None, Xon/Xoff, RTS/CTS
    • Parity None, Odd, Even, Space, Mark
    • Stop Bits 1, 1.5, 2
Package Contents
  • PCI2S5502 Multiport Serial Adapter
  • Full Profile Bracket
  • 2 x Low Profile Brackets
  • 1 x Quick-Start Guide

    OS Compatibility

    • Windows 7, 8, 8.1, 10
    • Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016, 2019
    • Linux 2.6.x to 5.x LTS Versions only
Country of Origin China
Environmentally Friendly Yes
Environmental Certification WEEE
General Information
Product Type Multiport Serial Adapter
Manufacturer Part Number PCI2S5502

Packaged Quantity 1
Product Name PCI2S5502 Multiport Serial Adapter
Brand Name