Adaptec Serial Attached SCSI RAID 4805SAS. Host interface: PCIe, Output interface: 8-lane PCIe. Data transfer rate: 3000 Mbit/s. Cables included: 1 x SCSI. Compatible operating systems: -Windows 2000, SP4, XP, SP1 and SP2 -Windows Server 2003, OOB & SP1 -Netware 6.5 -FreeBSD 5.3 & 5.4