Item Type:PCIE Expansion Card Material: PCB, Aluminum Alloy Colour: Black Number of Interfaces: 8 x SATA3.0 Input Interface: PCI Express X1 PCl E Slot Support: PCI E X1/X4/X8/X16 Transmission Speed: 6Gbps Installation Method: In Line PCI E Card Slot Operating System: For Win(R)XP, for Win Server, for Win 2003, for Win Vista, for Win 7, for Win 8(32/64 bit), for OS X , for Linux and Other Systems Are General18 PORTS: The PCIE expansion card is equipped with 8 SATA3.0 interfaces, conforms to PCI E2.0 specification, supports 8 x SATA hard disk connections, and the transfer rate can up to 6Gbps 2PCI E X1 INTERFACE: As long as the motherboard has PCI Express X1/X4/X8/X16 slots, which can be easily expanded, plug and play, convenient and fast 3HEAT DISSIPATION: Alloy heat sink to ensure stable chip temperature, higher speed and more stable transmission 4COMPATIBLE SYSTEM: For Win(R)XP, for Win Server, for Win 2003, for Win Vista, for Win 7, for Win 8(32/64 bit), for OS X , for Linux and other systems are general 5APPLICABLE PC: PCI E to SATA3.0 8 port expansion card, with half height baffle, compatible with 99% size chassis on the market. Only applicable to motherboard slots through PCI E, not applicable to PCI slots1 x PCIE Expansion Card 1 x Half Height Baffle