Description:1 x Dell EqualLogic 900GB 10K RPM 6Gb/s2.5-inch Hot-Plug Serial Attached SCSI (SAS) Hard DriveIn Dell EqualLogic PS4100 / PS6100 series2.5-inch Hot-Plug Hard Drive Tray (as pictured)Genuine Dell EqualLogic serial number and firmwareGenuine Dell EqualLogic Certified Hard DriveCompatible Storage Arrays:Dell EqualLogic PS4100 PS4100X PS4110XDell EqualLogic PS4210XDell EqualLogic PS6100 PS6100X PS6110XDell EqualLogic PS6210XPart Number(s)Dell EqualLogic Part# 9TH066-157Overview:The Dell EqualLogic PS Series features the advanced capabilities of the EqualLogic line with a frameless - IP-based peer storage architecture that enables live - non-disruptive firmware upgrades and maintenance.The Dell EqualLogic PS Series iSCSI Storage Arrays offer high performance - reliability - intelligent automation and seamless virtualization of storage to enable simplified enterprise storage management and data protection.EqualLogic PS Series Array Software can support up to 16 arrays in one group.Specifications:Category Dell EqualLogic DriveSub-Category 10KGeneration SASPart Number 9TH066-157Products ID 485401Capacity 900GBInterface Serial Attached SCSI (SAS 2)Enclosure InternalDrive Dimensions 2.5 inches x 1/3H (SFF)Spindle Speed 10000RPMExternal Data Transfer Rate 600MB/sSeek Time 4.5msHotSwap YesManufacturer Dell EqualLogicPre-Failure Warranty YesHot Swap Tray Included/Attached