NORCO RPC-450FH 4U Server Rackmount Chassis with 5 Hot Swappable Drive Bays Lockable front panel door 3 x 5.25" drive bays, 5 x 3.5 " internal drive bays, 5 x3.5" hot swappable SATA or SAS drive bays Support CEB(12"x10.5"), ATX (12"x9.6"), Micro ATX (9.6" x 9.6"), Mini-ITX (6.7" x 6.7") motherboard 1x120mm front fan, 1x80mm HDD fan, 2x80mm optional rear fans for better ventilation RoHS Compliant