Compliant with Serial ATA Specification 3.0, backward compatible with SATA 2.0 and SATA 1.0. Conforms to PCI-Express v2.0, backward compatible with PCI-Express v1.0. Supports communication speeds of 6.0Gbps, 3.0Gbps, and 1.5Gbps. Supports Gen 1i, Gen 2i, Gen 2m, Gen 2x, and Gen 3i. Supports two SATA ports. Supports AHCI 1.0 and IDE modes. Supports Native Command Queuing (NCQ). Supports Port Multiplier based switching. Supports Hot Plug and Hot Swap. Compatible with SATA 6G, 3G, and 1.5G hard drives. Product interface: PCI-E 1X, 4X, 8X, 16X Support specification: SATA 3.0 7PIN Bus interface: PCI-Express X1 slot Extension interface: 2 SATA 3.0 interfaces System requirements: One available PCI Express X1 slot, supports PCI-E X2, X4, X8, X16 Operating systems: Windows 10/8/7 (32/64 bit), Vista (32/64 bit), XP, 2003, 2008, Linux Model Number: PCI E to 2 Port SATA3 Card Type: Add On Card Interface Type: PCI Express, SATA Color: Black Material: Plastic + Metal Package Contents: 1 x PCIe to SATA Card Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the actual product. Measurement may vary by +/- 1-3 cm.