Technical InformationMotherboard Supported: SSI CEBNumber of Fans Installed: 1BaysNumber of External 5.25" Bays: 3Number of External 3.5" Bays: 2Number of Internal 3.5" Bays: 3Number of Total Expansion Bays: 8I/O ExpansionsNumber of Total Expansion Slots: 7Interfaces/PortsTotal Number of USB Ports: 2Front USB: YesPower DescriptionNumber of Power Supplies Supported: 2Redundant Power Supply: YesPhysical CharacteristicsMaterial: SteelCompatible Rack Unit: 4UForm Factor: Rack-mountableHeight: 6.9"Width: 16.9"Depth: 20.5"Weight (Approximate): 29.54 lbMiscellaneousPackage Contents: RM42200 Rackmount Enclosure1 x Add-on Card Retainer1 x Middle Fan Bar

M/B form factor - ATX (12inchx9.6inch) or Extended ATX (12inchx10.5inch) CPU Type - UP Intel P4/DP Intel Nocona or DP AMD Opteron Dimension (DxWxH) - 20.5inch x 16.9inch x 7 inch Standard - External-5.25inchx3 and 3.25inchx2, Internal-3.5inchx3 Backplane - EIA-RS310D Switches and Controls - Power ON or OFF,System Reset Indicator - Power ON or OFF,HDD and LAN Activity Slot Openings - 7 or 15 Cooling Fan - Standard - 1x120mm Front Fan Material - SECC Sheet Metal Thickness - 1.2mm Net Weight - 11.5Kg Cubic Feet - 3.56 Warranty - 3 Years