4U Server Case w/ 24x 3.5\" Hot-Swappable SATA/SAS Drive Bays, MiniSAS Features: - 4U rackmount design - 24x hot-swappable SATA (II or III) / SAS 6G drive bays. - Six internal SFF-8087 Mini SAS connectors support up to twenty-four 3.5\" or 2.5\" SATA (II or III) or SAS 6G hard drives; - Hot-swappable HDD tray with special designed power-off and lock mechanism. - 2 x 46CFM 80mm Ball-bearing cooling fans for exhaust - 3 x 120mm ball-bearing fans in the middle fan wall - 2 x USB 2.0 in Front Face. - 7 x PCI Expansion Slots - RoHS Compliant - Support EEB (12\"x13\"), CEB(12\"x10.5\"), ATX (12\"x9.6\"), Micro ATX (9.6\" x 9.6\"), ITX (6.7\" x 6.7\") motherboard - Screwless top cover - Smooth border to prevent lacerating your skin Specifications: - Drive Bay: 24 x hot-swappable SATA (II or III) / SAS 6G drive bays. Six internal SFF-8087 Mini SAS connectors - Cooling Fan:3 x 120mm ball-bearing middle fans in Centre wall plus 2 x 46CFM High Airflow Low Noise 80mm rear exhaust fans - Switch: Power ON/OFF x 1, System reset x 1 - Indicator:Power ON/OFF x 1, HDD x 1, NETWORK X 2 - Connector:Two front accessible USB port, six internal SFF-8087 Mini SAS connectors, twelve 4-pin molex redundant power connectors - Motherboard Compatibility: Support EEB (12\"x13\"), CEB (12\"x10.5\"), ATX (12\"x9.6\"), Micro ATX (9.6\" x 9.6\"), ITX (6.7\" x 6.7\") - PCI Expansion: 7 x PCI full height Expansion Slots - Power Supply Options: Standard ATX PS2 power supply or mini redundant ATX power supply or 3U redundant power supply - Dimensions ( W x D x H ): 483mm x 690mm x 176mm - Packing:Cardboard box with pre-formed internal polystyrene formers - Weight (without hard drive): 18 kg/39.7 lb (NET) 21.2 kg/46.7 lb (GROSS) - Environment Temperature:0/40 C, 32/104 F (Operating) -20/60 C, -4/140 F (Non-Operating) - Relative Humidity: 5% to 95%,non-condensing