StarTech.com PEX2S553LP 2 Port Low Profile Native RS232 PCI Express Serial Card with 16550 UART<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Native single-Chip， single lane PCI Express; 48% less cpu load， and increased performance</li><li>Pre-configured with half-height mounting bracket for low profile systems， but includes a full profile bracket for versatility</li><li>Easy to install and use with full step-by-step instructions saves time and hassle</li><li>One high speed RS232 serial port with data transfer rate up to 460.8 Kbps</li><li>Ships with half-height/low profile mounting bracket， includes optional standard profile bracket</li><li>Single chip design optimizes speed and reliability</li><li>Native single-chip， single lane PCI Express</li><li>Selectable power output on pin 9 for the serial port</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41t8SIn-%2BcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31nVKia05ML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ARP2-mc6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51kBUSdczsL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31pdVqJEFUL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41IfVeQ8npL.jpg" noproxy>