Model Number : N50 > N50-AS031C N50-123456 N50-234567 ChipsetMarvell 88SE9230InterfaceASUS PIKE InterfacePorts4 PortsRAID levelsRAID 0/RAID 1/RAID 10Devices SupportedSATA :SATA 6Gb/sData RateSATA III 6Gb/s per PHYForm Factor6.44 " x 1.57 " Inch (1U compatible)OS SupportWindows 2008 R2Windows 2008 SP2