Description: Compliant with Serial ATA 3.0 specification, backward compatible with SATA2.0 SATA1.0 Compliant with PCI-Express v2.0 specification, backward compatible with PCI-Express v1.0. Supports communication speeds of 6.0 Gbps, 3.0 Gbps and 1.5 Gbps Support Gen 1i, Gen 1x, Gen 2i, Gen 2m, Gen 2x, and Gen 3i. Support 4 SATA Support AHCI1.0 mode and IDE mode Support hot swap and hot swap. Compatible with SATA6G, 3G and 1.5G hard drives Bus interface: PCI-Express x1 slot Expansion interface: 4 SATA3.0 interfaces System Requirements: One PCI Express X1 slot is available, supporting both PCI-E X2 X4 X8 X16 Operating system: Windows10/8/7 (32/64 bit) / Vista (32/64 bit) / XP/2003/2008/linux Specification: material: metal Size: 30*20*10mm Master: 88SE92xx Package Includes: 1Pcs PCI-Express to SATA 3.0 Controller Card