Features: brand new and high quality for Marvell 88SE9215 chipset. Ports: 8 SATA 6GB/s ports. Compliant with PCI-E specification V2.0, backward for PCI-E 1.X. Support local command queue (NCQ). for SATA 6G, 3G and 1.5G hard drives. Compliant with PCI-E specification v2.0, backward for PCI-E v1.x. PCI for Express x1 interface, for PCI for Express x1, x2, x4, x8 and x16 slots. Specifications: Product name: Expansion card Chipset: for Marvell 88SE9215 Colour: Black Size: approx. 120x116x18mm/4.72x4.57x0.71in Interface rate: 6Gbps Bus interface: PCI-Express x1 slot,for PCI for Express x1, x2, x4, x8 and x16 slots Expansion interface: 8 SATA3.0 interfaces System requirements: for Windows 10/8.1/8/7(32/64bit)/XP/Linux Note: Installation Notes: 1Please wipe off the golden finger of the SATA3.0 card with an eraser, and insert the SATA cable of the for case into the card. Then connect all hard drives. 2Turn off the power of the computer and open the back cover of the computer; remove the crossbar corresponding to the free slot on the chassis. 3Insert the expansion card into the corresponding PCI-E expansion slot of the host 4Use a screwdriver to fix the iron bar of the expansion card on the chassis. 5 Close the for case, plug in the power cord and turn on the machine. After entering the system, install the driver. Package includes: 1PC x PCIE to SATA Card