LSI LSI00166 (SAS3041X-R SGL) 64-bit 133MHz PCI-X Low Profile SATA / SAS RAID Controller Card Internal Connectors: 4 x SATA II Transfer Rate: Up to 3Gb/s RAID: RAID 0/1/1E Dimensions: 6.6 x 2.5 (MD2 Low-Profile) Operating Systems Supported: Microsoft Windows 2000, Server 2003 32-bit and 64-bit (x86 and AMD64, XP) Red Hat Linux RHEL 3 Novell NetWare 5.1 and 6.5 SuSE Linux/SLES Sun SPARC Solaris 2.6 thru 2.10