
Add 2 RS232 serial ports to your PC via PCIe. Includes low-profile bracket, 5/12V power on pin 9, and fast 921.6kb/s transfer.
Expand your PC's connectivity with the StarTech.com 2 Port RS232 Serial PCI-Express Card, designed to provide two additional RS232 serial ports for your system. This card is ideal for connecting legacy devices such as card readers, printers, PIN pads, and modems, ensuring seamless integration with your existing hardware.
Powered by the ASIX AX99100 chipset, this card supports the industry-standard 16950 UART, delivering a maximum data transfer rate of 921.6kb/s for reliable and efficient communication. With a 256-byte FIFO cache per transmitter and receiver, data handling is optimised to reduce CPU load and prevent data loss.
The card offers flexible power options, providing 5V or 12V power output on pin 9 when external power is connected, making it suitable for devices that require power from the serial port. It supports 9, 8, 7, 6, and 5 data bits (one per port), ensuring compatibility with a wide range of serial protocols.
Installation is straightforward with a PCI-Express x1 interface, and the card comes with both full-size and low-profile brackets for case compatibility. Whether you are upgrading an older system or adding serial capabilities to a modern PC, this adaptor card is a reliable solution.
Note: This product includes a 2-year manufacturer warranty. The card supports Windows 7/8/10 and Linux 2.4-2.6.x (LTS only) operating systems.
Need larger quantities? Need additional quantities? Get in touch and we'll arrange it for you.
Always follow local regulations and product guidance.
Free standard delivery on UK mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
View Full Delivery & Returns PolicyWe take the utmost care with your payment and personal details. Our website employs advanced encryption technology, including Secure Sockets Layer (SSL), to protect your information during transmission. You can verify a secure connection by looking for 'https' and a locked padlock in your browser.
Cookies enhance your shopping experience by keeping track of your basket and remembering you when you return. We also use banner advertising based on your browsing history to present products of potential interest.
Beware of phishing scams! We will never ask for personal details via email. If such information is required, we'll request you to contact us by phone. If you receive an email requesting sensitive information, do not respond and let us know immediately.