Direct mounting of 2.5" SATA III SSd / Hdd on boardOne extra SATA III port for other devicesOperating System Software can be installed on mounted SSD and booting of the OS from the installed PCIE disk is supported ( Your mother board BIOS need to support this feature )Using standard low cost high perfermance 2.5" SSD instead of the much more expansive mSATA SSD PCIE 2 Port SATA III (6G) Port1 Port support direct installation of standard 2.5" SATA III SSD1 extra internal SATA III port for intallation of extra Hdd / SSDPCI Express Specification Rev. 2.01-Lane (x1) PCI-Express with transfer rate 5Gb/s Full Duplex channelCompliant with Serial ATA 3.0 Specification,Data transfer rate up to 6.0Gb/sBackward compatible with SATA1.0/SATA2.0 specificationMaximum capacity supported : 2TSupport NCQDriver supported Windows98SE /ME/ 2000/XP/Server 2003/Vista/WIN7/Win8, Mac OS Available PCIE 2.0 1X,2X,4X,8X or 16X slot on PCSupported OSSATA Power connector to be connected to the adapter PCIE SATA III SSD adapterSoftware / Driver CD4 x Hdd mounting screw