DELL 405-AAEK. Supported storage drive interfaces: SAS, Serial ATA III, Host interface: PCI Express x8. 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: 167.6 mm, Depth: 64.4 mm