1. Compliant with PCI-Experss specification V2.0 and backward compatible with PCI- 1.x2. Compliance with Serial Specification 3.03. Bus Type of PCI X4 interface, Compatible with PCI x4, x8 and x16 Slot.4. The supported communication rates are 6.0 Gbps, 3.0 Gbps and 1.5 Gbps5. Hot swap and heat exchange.6. Rear 6-port SATA3.0 interface for easy wiring.7. Support AHCI Boot Mode8. Compatible with SATA 6G, 3G and 1.5G hard drives.9. With single big heatsink10. ASMedia ASM1166 Chipstype:PCI-E1XColour:blackMaterial:plasticPackage Contents:1 x Expansion CardOnly the above package content, other products are not included.Note: Light reflection 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.