Comliant with Serial ATA Specification 3.0,Compliant with PCIe 2.0 specifications. Supports communication speeds of 6.0Gbps,3.0Gbps and 1.5GbpsSupports programmable transmitter signal levelsSupports Gen 1i,Gen 2i,Gen 2m, Gen 2x and Gen 3iApplicable Slot: PCI-E (1 x , 4 x , 8 x , 16 x )Supports two SATA PortsColour: BlackMaterial: plastic + metalSupports AHCI 1.0 and IDE programming interfaceSupports Native Command Queuing(NCQ)Supports Port Multiplier based switching or command based switchingSupports Partial and Slumber Power Management statesSupports Hot Plug and Hot SwapCompatible with SATA 6G,3G and 1.5G Hard DrivesLarge chassis / small chassis can be used.Bus Interface:PCI-Express x1Connectors: 2x SATASystem Support:PCI Express-enabled system with on avaliable PCI Express slotWindows 8/7(32/64bit)/Vista(32/64bit)/XP/Server 2003/2008Board size:(L x W)71 x 57mmBracket size:120mm and 80mmNote:This product can only be installed on a PCI-E interface, Do not install the older PCI interfaceSize for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon.And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes:3Pc x PCI-e 2-Port SATA3 SATA III 6Gb/s Card (No retail package)3Pc x Low Profile Bracket6Pcs x ScrewsOnly the above package content, other products are not included.Note: Light 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.