The IO Crest 2 Port SATA III 6Gbps PCI-Express x1 Card is the easiest way to update any computer with SATA ports. Once installed, this host card will add SATA ports with two independent channels. This allows support of two SATA devices at speeds of up to 6Gb/s whether it is a SATA hard drive or SATA device. The IO Crest 2 Port SATA III 6Gbps PCI-Express x1 Card is the easiest way to update any computer system