Protronix 2-Port PCI-Express SATA III 6Gbps RAID Controller Card with Cable, Low Profile Ready Chipset: Marvell 88SE9170 RAID Software: Yes 6 Gb/s SATA Ports: 2 SATA 3.0 Compliant: 6 Gb/s SATA PHY with speed negotiation for backward support of 3 Gb/s and 1.5 Gb/s PCIe 2.0 Compliant: 1x PCI Express 2.0 Interface