StarTech.com 1 Port eSATA + 1 Port SATA PCI SATA Controller Card w/ LP Bracket. Host interface: PCI. Chipset: Via/VT6421, Package length: 0.271" (6.89 mm). Color of product: Green, Certification: ROHS, CE, FCC. Width: 2.13" (54 mm), Depth: 4.76" (121 mm), Height: 0.787" (20 mm). Data transfer rate: 3000 Mbit/s, Compatible operating systems: Windows 98SE, 2000, XP(32/64bit), Vista(32/64bit), 7(32/64bit), Server 2008 R2 Linux, Power requirements: 3.3/5V