StarTech 4-Port RS232 PCI Serial Card Adapter with Power Output: * 4 high speed RS232 serial ports with data transfer rate up to 460Kbps * Selectable voltage output of 5V or 12V * Selectable power output via pin 1/4/8/9 * Universal PCI card supports installation into 3.3 or 5V PCI slots * Compliant with PCI specifications revision 3.0 * High Performance Oxford 16C950 UART * 128-byte deep FIFO per transmitter and receiver * +/-15KV ESD protection on all signal pins