Protronix 8-Port PCI-Express SATA III 6Gbps Controller Card w/ Cables, Low Profile Ready Internal Connectors: 8 x SATA 6.0Gb/s Interface: PCI-Express 2.0 x2 Chipset: Marvell 88SE9705 RAID: No Compliant with PCI-E Specification v2.0 and backward compatible with PCI-E v1.x