Biostar 2 Port SATA3 6Gb/s PCI-e 2.0 x1 Card DCS3A Supports 2 SATA3 6GB/s ports. Also, backwards compatible with SATA2 3GB/s and SATA 1.5GB/s Supports IDE and AHCI mode PCI-e 2.0 Bus Interface Windows XP/Vista/7 Supported Includes Driver CD