Add 4 high-speed RS-232 serial ports to your computer with a buffered serial card from StarTech.com. The card uses a 16-Byte buffer in both the receive and transmit channels simultaneously, reducing the number of CPU interrupts and improving system performance. Compatible with both 3.3 and 5 volt motherboards, and uses DB9 connectors for use with a wide range of serial peripherals. Suitable for industrial applications, this card is compatible with a wide range of operating systems, including Windows, DOS, Linux, and Unix.

PCI Bus Version 2.2 compliant

Transfer rates of up to 921 Kbytes/sec

Works with both 3.3 volt and 5 volt server slots

Adds four high speed RS-232 serial ports to your computer