PCI-Express 3.0 (6Gb/s) PCI-e x8 Card 8 internal SAS/SATA ports by two SFF-8087 connectors Compliant with PCI Express Specification, Rev. 2.0 Compliant with Serial Attached SCSI 2.0 (SAS 2.0) Specification Compliant with Serial ATA Rev. 3.0 (6 Gbps) Specification Supports auto-detection of SAS or native SATA device Supports SAS/SATA transfer rate of 6.0Gbps, 3.0Gbps, 1.5Gbps Supports SAS Multiplexing Supports wide SAS ports Supplied with standard and low-profile backplates Connector: 8 internal SAS/SATA ports by two SFF-8087 connectors Software compatibility: 32/64 bit support for Windows 2000/XP/Vista/Windows 7/Server 2003, 2008 2 Year warranty This Multilane Controller allows you to connect up to 8 SATA/SAS 6Gbps drives to your PCIe based PC/Server.