StarTech.com PCIe Dual Serial DB9 Adapter Card - 2-port RS232 Expansion Card - 16950 UART - Windows & Linux, TAA (PEX2S953)

This PCIe serial adapter card adds two RS232 serial ports to a computer via a PCIe slot, allowing connection to devices like card readers, printers, and modems. It uses the ASIX AX99100 chipset and supports speeds up to 921.6Kbps per port, making it suitable for high-speed data transfer needs. The card is compatible with both Windows and Linux operating systems, ensuring broad integration possibilities in various environments.

The card includes a standard profile bracket for full-sized cases and two low-profile brackets for smaller form factors. This flexibility makes it easy to install in different types of desktops or servers. Each port can be individually configured for power settings, including 12V, 5V, or no power through pin 9, with a total output of up to 2A. This feature is useful for powering external devices directly from the card.

The card features a 256-byte FIFO buffer for each port, reducing data loss and improving communication reliability. It supports data bit configurations from 5 to 9 bits per port, offering versatility for different serial device requirements. The card is based on the industry-standard 16950 UART and is compliant with PCI Express 1.1 standards, ensuring compatibility with modern systems.

Installation is straightforward with the included brackets and drivers. It is ideal for use in point-of-sale terminals, industrial automation, medical equipment, and scientific instruments where reliable serial communication is essential. The card is a direct upgrade from the PEX2S952 model and includes lifetime warranty and technical support from StarTech.com.

Brand: StarTech.com
Model: PEX2S953
Specifications: PCIe x1 slot, 2x DB9 ports, 921.6Kbps speed, ASIX AX99100 chipset, 256-byte FIFO buffer, 5/12V power output
Features: Windows & Linux compatibility, standard and low-profile brackets, lifetime warranty, 9-5 data bit support