1. Compliant with Serial Specification 3.0, with SATA2.0 SATA1.0. 2. Conformance to PCI- v2.0 specifications, with PCI- v1.0. 3. Supports communication speeds of 6.0Gbps,3.0Gbps and 1.5Gbps. 4. Supports Gen 1i,Gen 2i,Gen 2m, Gen 2x and Gen 3i. 5. Supports two SATA Ports. 6. Supports AHCI 1.0 and IDE modes. 7. Supports Native Queuing(NCQ) 8. Supports Port Multiplier based switching or based switching. 9. Supports Hot Plug and Hot Swap. 10. with SATA 6G,3G and 1.5G Hard Drives Specification: Product interface: PCI-E 1X 4X 8X 16X Chipest: JMS582B Support specification: SATA3.0 7PIN Bus interface: PCI- X1 slot Extension interface: 2 SATA3.0 interfaces System requirements: there is an available PCI X1 slot, while supporting PCI-E X2 X4 X8 X16 Operating system: Windows10/8/7 (32/64 bit) / Vista (32/64 bit) / XP/2003/2008/linux Colour:black Material:Metal Package Contents: 1 * riser card 1 * half-height bezel Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.