PEX4S953LP - Startech 4 PORT PCI EXPRESS RS232 SERIAL CONTROLLER | Aztek Computers
29+Years
SKU: XW4IC54R2K |  Mfg. Part: PEX4S953LP  | UPC: 065030887052  |  0 Reviews  |     Share

PEX4S953LP - Startech 4 PORT PCI EXPRESS RS232 SERIAL CONTROLLER CARD W/16950 UART/ASIX AX99100 - BI-D

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$112.55  $151.94
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Product Overview

This PCI Express RS232 serial adapter card lets you add four RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot - The replacement for the PEX4S952LP serial card enables you to interact with serial devices such as printers and modems - The 4-port serial PCIe card provides a max baud rate of up to 921.6Kbps and 256-byte FIFO cache with the Asix AX99100 chipset - The low profile PCI E serial card is easy to integrate into many environments with support for Windows and Linux

Expert Overview

The STARTECH PEX4S953LP is a PCI Express RS232 serial adapter card designed to expand connectivity for IT systems. It provides four RS232 (DB9) serial ports via a single PCI Express slot, enabling interaction with various serial devices such as printers and modems. This card is suitable for business and IT environments requiring additional serial port access on computers running Windows or Linux operating systems. It addresses the challenge of integrating legacy serial peripherals with modern systems that may lack built-in serial ports. The card features a maximum baud rate of 921.6Kbps per port and a 256-byte FIFO cache, powered by the Asix AX99100 chipset, ensuring reliable data transfer. Its low-profile design facilitates integration into diverse system configurations.

Technical Specifications

IRECTIONAL SPEEDS 921.6KBPS/PORT / 256 BYTE FIFO / 9TH DATA BIT - PIN 9 PWR OUT

Product Details

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  • STARTECH
  • PEX4S953LP
  • 065030887052
  • New
  • 0.79 lbs
  • 8 X 2 X 6
  • Today - Sep 05, 2026
  • May 01, 2026
  • TW
Product Identifiers: Brand: Startech • Part #: PEX4S953LP • UPC: 065030887052 • Category: Port Expansion Cards

Frequently Asked Questions

What operating systems are supported by this serial card?

The STARTECH PEX4S953LP serial card supports both Windows and Linux operating systems, allowing for broad compatibility in various IT environments.

What is the maximum baud rate supported by each port?

Each RS232 serial port on this card supports a maximum baud rate of up to 921.6Kbps, facilitating high-speed data communication with connected devices.

What type of PCI Express slot is required for installation?

This is a PCI Express (PCIe) serial adapter card, meaning it requires an available PCI Express slot in the host computer for installation and operation.

Does this card include a FIFO cache?

Yes, the card is equipped with a 256-byte FIFO cache, which helps manage data flow and improve performance during serial communication.

PEX4S953LP - Startech 4 PORT PCI EXPRESS RS232 SERIAL CONTROLLER CARD W/16950 UART/ASIX AX99100 - BI-D

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$112.55