SYBA SI-PEX40057 PCI-Express 2.0 x2 Low Profile SATA III (6.0Gb/s) 4-ports RAID Card Internal Connectors: 4 x SATA 6.0Gb/s Transfer Rate: Up to 6Gb/s RAID: RAID 0/1/10 Operating Systems Supported: Windows 8 Windows 7 Vista Windows XP Server 2008 Server 2008 R2 Server 2003 Linux 2.6.x and Above (AHCI devices driver is a built-in feature) Package Contents: 4-port SATA III PCI-e Version 2, x2 Slot Controller Card 19 SATA Cables (x2) Driver CD Low Profile Bracket User Manual