Comply with Serial ATA 3.0 specification, backward compatible with SATA2.0 SATA1.0, conform to PCI-Express v2.0 specification, and backward compatible with PCI-Express v1.0.Compatible with SATA6G, 3G and 1.5G hard drivesSupport 6.0 Gbps, 3.0 Gbps and 1.5 Gbps of communication speed, support Gen 1i, Gen 1x, Gen 2i, Gen 2m, Gen 2x, and Gen 3i. PCI-E expands out 2 SATA3.0, supports AHCI1.0 mode and IDE mode, support native command queue (NCQ) support hot swap and hot swap.System requirements: There is an available PCI Express X1 slot, while supporting PCI-E X2 X4 X8 X16Operating system: Windows10/8/7 (32/64 bit)/ Vista (32/64 bit)/ XP/2003/2008/linuxName: Dual-port SATA3.0 expansion cardModel: PCE2SAT-M01Bus interface: PCI-Express x1 slotExpansion interface: 2 SATA3.0 interfacesMain control: Marvell 88SE91XXInterface: PCI-E 1X 2X 4X 8X 16XSupport system: WINXP WIN7 WIN8 WIN10, LINUXsize:13x8x2CMMaterial:PCBcolour:blackPackage Contents:1 * SATA3.0 expansion cardOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.