£ 32.50  inc. vat

£ 27.08 ex. vat

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StarTech.com 2 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART

  • Two high speed RS232 serial ports with support for data transfer rates up to 460.8 Kbps...
  • Compliant with PCI Express base specifications revision 1.0a
  • Includes half-height/low profile mounting bracket

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QuickFind: 239719

Mfr part code: PEX2S553

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    StarTech.com 2 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART Product Description

    Add 2 RS-232 serial ports to your standard or small form factor computer through a PCI Express expansion slot
    • Native single-chip, single lane PCI Express chipset delivers true PCIe performance
    • Standard and low profile/half-height bracket included to ensure fitment in any system
    • Easy to install and use with full step-by-step instructions saving time and hassle
    The PEX2S553 PCI Express serial card lets you turn a PCI Express slot into 2 RS232 (DB9) serial ports. Based on a native single chip design (no bridge chip), this 2-port serial adapter card allows you to harness the full capability offered by PCI Express (PCIe), and reducing the load applied to the CPU by as much as 48% over conventional serial cards. The RS232 Serial Adapter Card (PEX2S553) is compatible with a broad range of operating systems including Windows® 2000/XP/2003/Vista™/Windows 7/Server 2008 R2 (32 and 64 bit), Linux Kernel 2.6.11 and up, and MAC OS 10.4 and above. Plus, the serial card includes an optional half-height/low profile bracket that allows the card to be installed in any PCI Express slot, regardless of the size of the computer case. This product is a replacement for our PEX2S552 card. Backed by a StarTech.com Lifetime warranty and free lifetime technical support.

    What’s in the box
    • 2 Port PCI-Express Serial Card
    • Low Profile Brackets
    • Driver CD
    • Instruction Manual

    Technical Specifications

    Software / System Requirements

    OS Required Microsoft DOS, Microsoft Windows 2000, Microsoft Windows 95/98 Second Edition, Microsoft Windows XP, Microsoft Windows XP Embedded, Microsoft Windows Server 2003, Microsoft Windows Embedded Standard 2009, Microsoft Windows 7, Microsoft Windows CE 5.0, Microsoft Windows Vista, Microsoft Windows Embedded POSReady 2009, Microsoft Windows Server 2008 R2, Microsoft Windows CE 6.0, Windows 8, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Windows 8.1, Windows 10, Apple MacOS X 10.4 - 10.10, Microsoft Windows Server 2016, Linux 2.6.x to 4.11.x LTS versions

    Expansion / Connectivity

    Interfaces 2 x RS-232 - 9 pin D-Sub (DB-9)
    Compatible Slots 1 x PCI Express


    Width 12 cm
    Depth 10.5 cm
    Height 2 cm
    Device Type Serial adapter
    Form Factor Plug-in card - low profile
    Interface (Bus) Type PCI Express

    Manufacturer Warranty

    Service & Support Details Limited warranty - lifetime
    Service & Support Limited warranty - lifetime


    Ports RS-232 x 2
    Connectivity Technology Wired
    Data Link Protocol RS-232


    Compliant Standards WHQL, FCC

    Dimensions & Weight

    Width 12 cm
    Depth 10.5 cm
    Height 2 cm

    Environmental Parameters

    Min Operating Temperature -20 °C
    Max Operating Temperature 85 °C
    Humidity Range Operating 5 - 85%

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