RPC-2106A 2U Rackmount Server Case with 6 Hot-Swappable SATA III or SAS 6G Drive Bays 6x hot-swappable SATA II, III /SAS 6G drive bays Six hot swap 3.5" drive bays, three internal 3.5" drive bays. Support EEB (12"x13"), CEB(12"x10.5"), ATX (12"x9.6"), Micro ATX (9.6" x 9.6"), Mini ITX (6.7" X 6.7") motherboard Support standard ATX power supply (with rear fan, NOT top fan) RoHS Compliant