StarTech.com 2-Port PCI Serial Adapter Card with 16550 UART

StarTech.com PCI2S550

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Manufacturer Part#  PCI2S550

UPC Code: 065030784061

Provantage Code:  STRP001

Condition:  Factory New

  • Product Type: Serial Adapter
  • Country of Origin: Taiwan
  • Limited Warranty: Lifetime
  • Form Factor: Plug-in Card
  • Data Transfer Rate: Up to 115kB/s
  • TAA Compliant: Yes

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StorageI/O and Storage ControllersSerial/Parallel I/O Adapters

StarTech.com PCI2S550 Specifications

    2-Port PCI Serial Adapter Card with 16550 UART


    Add more serial ports to your computer with one of these I/O cards.


    The StarTech.com 2 port PCI Serial Accelerator card is a basic add-in card providing PC workstations or servers with (2) 16C550 serial ports with 16 Byte FIFO Buffers capable of error-free data transfer of up to 460.8 Kbps. This is ideal for ISDN terminal adapters, modems, PDAs, digital cameras, serial printers, digitizer tablets, label printers, and much more.

At a Glance

    • Supports the RS-232 serial interface
    • IRQ sharing saves resources and eliminates conflicts
    • 16 byte FIFO buffer ensures fast data transfer while multitasking
    • 5, 6, 7, 8-bit characters selection
    • Even, odd, no parity, or force parity generations


    The PCI2S550 2 Port 16550 Serial Card can be installed in an available PCI slot to add two RS232 serial ports to your system. A cost-effective solution for connecting any new or legacy serial device, with data transfer rates of up to 115.2 Kbps.

    The adapter card supports IRQ sharing and is perfect for connecting serial modems, POS devices, PDAs, digital cameras, printers, ISDN terminal adapters and more to your system.

    The card can be connected in minutes through simple plug and play installation and is backed by a StarTech.com lifetime warranty and free lifetime technical support.

    More from the Manufacturer

Certifications & Standards

    • CE
    • FCC

Environmental Certification





    Guaranteed compatibility with any PC running Windows, DOS or Linux for simple integration into your application Data transfer rates of up to 460.8 Kbps for peak serial device performance Easy to install and use with full step-by-step instruction providing a hassle free serial solution.

    • Windows® 10 (32/64), 8 / 8.1 (32/64), 7 (32/64), Vista (32/64), XP (32/64), XP Embedded, POS Ready 2009, Embedded System 2009, CE 5.0 / 6.0, 2000, 98SE, 95, DOS
    • Windows Server® 2012, 2008 R2, 2003
    • Linux

Package Contents

    • 2 Port PCI RS232 Serial Adapter Card with 16550 UART
    • 2 x Low Profile PCI Bracket
    • 1 x Driver CD
    • 1 x Instruction Manual


Product Name2-Port PCI Serial Adapter Card with 16550 UART
Manufacturer Part NumberPCI2S550
Product TypeSerial Adapter
Number of Serial Ports (External)2
TAA CompliantYes
Form FactorPlug-in Card
Host InterfacePCI
Environmentally FriendlyYes
Card HeightLow-profile
Country of OriginTaiwan
Platform SupportedPC
Limited WarrantyLifetime
Data Transfer RateUp to 115kB/s
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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Considering a Volume Purchase?
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Purchase a minimum of $3,000 of StarTech Products

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StarTech.com PCI2S550