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  • StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 Card - 16950 UART - Expansion Card - Windows/Linux

StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 Card - 16950 UART - Expansion Card - Windows/Linux

SKU: PEX4S953
£78.22 ex VAT
£93.87 inc VAT
Product in stockIn stock
  • PCI Express to Serial Adapter | 921.6Kbps | Windows® and Linux® Compatible

    This PCI Express RS232 serial adapter card lets you add four RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot, as if they were native serial ports. The 4 port PCIe serial card enables you to interact with serial devices, such as card readers, printers, PIN pads, and modems, at speeds of up to 921.6Kbps.

    Maximum Compatibility

    With broad OS support, including for Windows and Linux, this multiport PCI E serial card is easy to integrate into mixed environments. The card comes pre-configured with a full-sized bracket, and includes an optional low-profile bracket, so installation is easy regardless of the case form factor. This expansion card is a direct replacement for PEX4S952 .

    Experience Optimal Technology

    This PCIe to serial adapter supports the following features:

    • Industry standard 16950 UART compatible
    • Supports max baud rate of up-to 921.6Kbps
    • Provides 5/12V power output on Pin 9 when external power is connected
    • 256-byte depth FIFO cache per transmitter and receiver
    • Supports 9, 8, 7, 6, 5 data bits (one per port)
    • Asix AX99100 chipset
    • Base PCI Express 1.1 compliant

    The Choice of IT Pros Since 1985

    StarTech.com conducts thorough compatibility and performance testing on all our products to ensure we are meeting or exceeding industry standards and providing high-quality products to IT Professionals. Our local StarTech.com Technical Advisors have broad product expertise and work directly with our StarTech.com Engineers to provide support for our customers both pre and post-sales.

    PEX4S953 is backed by a StarTech.com lifetime warranty and free lifetime technical support.

    The StarTech.com Advantage
  • Ports & interfaces
    InternalYes
    Output interfaceSerial
    Serial interface typeRS-232
    Serial ports quantity4
    Host interfacePCIe
    Expansion card form factorFull-height / Low-profile
    Technical details
    ChipsetAsix AX99100
    FIFO (First In, First Out)256 B
    Compliance certificatesRoHS
    Performance
    Stop bits1, 1.5, 2
    Data bits5, 6, 7, 8, 9
    Baud rate921.6 Kbit/s
    ChipsetAsix AX99100
    FIFO (First In, First Out)256 B
    Product colourGreen
    Harmonized System (HS) code84733020
    Certificates
    CertificationCE, FCC, Microsoft WHQL
    Colour
    Product colourGreen
    Design
    Mean time between failures (MTBF)214358 h
    InternalYes
    Product colourGreen
    CertificationCE, FCC, Microsoft WHQL
    Features
    Stop bits1, 1.5, 2
    Data bits5, 6, 7, 8, 9
    Baud rate921.6 Kbit/s
    ChipsetAsix AX99100
    FIFO (First In, First Out)256 B
    Parity bitEven, Mark, No, Odd, Space
    Flow Control typeNo, RTS/CTS, XON/XOFF
    Harmonized System (HS) code84733020
    Operational conditions
    Operating temperature (T-T)-10 - 80 °C
    Storage temperature (T-T)-20 - 100 °C
    Operating relative humidity (H-H)5 - 85%
    System requirements
    Windows operating systems supportedWindows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64
    Linux operating systems supportedYes
    Server operating systems supportedWindows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
    Weight & dimensions
    Width63 mm
    Depth75 mm
    Height15 mm
    Weight50 g
    Package width150 mm
    Package depth210 mm
    Package height50 mm
    Package weight371 g
    Packaging data
    Mounting brackets includedYes
    Package width150 mm
    Package depth210 mm
    Package height50 mm
    Package weight371 g
    Cables includedSerial
    Quick installation guideYes
    Quantity1
    Logistics data
    Products per master (outer) case16 pc(s)
    Master (outer) case width340 mm
    Master (outer) case length480 mm
    Master (outer) case height240 mm
    Harmonized System (HS) code84733020
    Packaging content
    Mounting brackets includedYes
    Cables includedSerial
    Quick installation guideYes
    Quantity1
    Other features
    ChipsetAsix AX99100
  • Your parcel will arrive within 5 business days (excluding weekends and public holidays) after you place your order. Items are shipped in working days only, your order may arrive anytime between 7am and 9pm. Deliveries are not made on public holidays, so you can expect your order to arrive the next working day.


    Items must be returned in an unused and saleable condition within 16 days of the receipt of goods. Please read our delivery and returns policy for further information.