2-Port eSATA + 2-Port SATA 3.0 PCI-E Express Expansion Card
1-lane(x1) PCI-Express with transfer rate 5Gb/s full duplex channel - 2 x External e-SATA ports 2 x Internal SATA ports (SATA & ESATA selected by jumper) - Serial ATA 3.0 Specification Data transfer rate up to 6.0Gb/s - Backward compatible with SATA 1.0/SATA 2.0 Specification - Driver supported Windows XP/Server 2003/Server 2008/Vista/Win 7 - Comes with driver CD & connection cable CD Drive download link: http://dl.dropbox.com/u/51021983/3.0_driver_sku_91095.zip