Feature 1Interface: The bus interface is PCI Express x1 slot, and the expansion interface is 2 SATA 3.0 interfaces. 2Drive Free: The adapter card supports hot swappable, drive free, simple operation, easy to use, plug and play. 3Meet the Specification: Compliant with Serial ATA 3.0 specification, backward compatible with SATA2.0 and SATA1.0, conform to PCI Express v2.0 specification, and backward compatible with PCI Express v1.0. 4Communication Speeds: The adapter card supports communication speeds of 6.0 Gbps, 3.0 Gbps and 1.5 Gbps. 5Support System: Supports for Win10 8 7 XP Vista, for Linux. The system requires an available PCI Express X1 slot and supports PCIE X2 X4 X8 X16 at the same time.Item Type: Adapter Card Material: PCBModel: for PH52AFunction: Hard Disk Expansion TransferScope of Application: Desktop Package List:1 x Adapter Card1 x Screw