... " HDDs SpecificationOrder CodeGeneralityED420H65Metal MaterialSGCCDescriptionMetal Thickness1.2 mm4U 650MM depth,Hot-swap 20x3.5"HDD,2x2.5"HDD,1xSlim-dvdMetal Material TypeABSExpansion ... "x13"),(12"x10.5") ,(12"x9.6") System Cooling(Hot-Swap)ProcessorMiddle4 x 8025 mm hot-swapDP Xeon(Intel),DP Opteron ... .6''x16.9x7.0''Alarm ResetDrive BayIndicatorPower LED (x1)Hot-Swap 3.5" and 2.5"20 x 3.5" (Mini ...