Protronix 2-Port PCI Express SATA III 6Gbps Controller Card with Cables, Low Profile Ready 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: PCI-Express 2.0 Interface Native Command Queuing: 32 outstanding commands per port for high performance Includes low profile bracket for SFF computers and one SATA cable Chipset: Marvell 88SE9120