StarTech.com
2 Port PCI Express RS232 Serial Adapter Card
Seamlessly integrate two RS232 (DB9) serial ports into your computer via a PCI Express slot using this adapter card. It supports high-speed data transfers up to 921.6Kbps, making it ideal for connecting devices like card readers, printers, and modems. Designed for mixed environments, it offers broad compatibility with Windows and Linux systems. The card includes both low-profile and standard brackets for flexible installation in various case sizes. It features a reliable Asix AX99100 chipset and is backed by a lifetime warranty from StarTech.com.
$67.26
Owner Satisfaction
4.5
/ 5
Category Rank
289
/ 1154
#289 in Computer Interface Cards & Adapters
Price vs Category Average
-88%
Below average
Host Interface
1.11
/ PCI Express x
Who it's for
- Essential Legacy Support
- High-Speed PCIe Reliability
- Versatile Form Factor
Who should skip it
- Higher Price Point
- Requires Internal Installation
- Potential Driver Complexity
Key Specs
Host Interface
PCI Express 1.1 x1
Number of Serial Ports (External)
2
Max Baud Rate
921.6 Kbps
FIFO Depth
256 bytes per transmitter and receiver
Chipset
ASIX AX99100
Data Bits Supported
5, 6, 7, 8, 9
Dimensions
3" Length x 2.5" Width x 0.6" Height
Warranty
Lifetime
Features
- Adds two native RS232 DB9 serial ports
- Supports high-speed data transfer up to 921.6Kbps
- Includes low and full-profile brackets for flexibility
- Features 16950 UART compatibility for reliability
- Provides 5V/12V power output on Pin 9
- Easy integration across Windows and Linux platforms
- Upgraded replacement for PEX2S952 model
- Ideal for industrial and control system use
What customers say
Customers highly value this serial adapter card primarily for its exceptional reliability and straightforward functionality. It is frequently praised for providing dependable RS232 communication, making it an essential solution for connecting legacy industrial equipment and scientific instruments to modern PCs lacking native ports. Users report that once drivers are installed, the card operates seamlessly across various Windows and Linux systems. The robust build quality ensures stable performance where data integrity is critical. The consensus is that this adapter consistently delivers dependable connectivity, proving to be a worthwhile investment for IT professionals and hobbyists needing a reliable serial solution.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$67