DELL 405-AAEK. Supported storage drive interfaces: SAS, Serial ATA III, Host interface: PCI Express x8. RAID levels: 0, 1, 5, 6, 10, 50, 60, Channels quantity: 8 channels, Compatible products: PowerEdge R430 PowerEdge R530 PowerEdge R630 PowerEdge R640 PowerEdge R730 PowerEdge R730XD.... Built-in processor: SAS 3108, Processor family: LSI. Server operating systems supported: Windows Server 2008 R2, Windows Server 2008 R2 x64, Windows Server 2012. Width: 6.6" (167.6 mm), Depth: 2.54" (64.4 mm)