Rosewill RSV-L4500 - 4U Rackmount Server Case or Chassis - 15 Internal Bays, 8 Cooling Fans Included Motherboard Compatibility: Maximum holding: 12 x 13 E-ATX; (12 x 9.6 ATX, 11.2 x 8.2 Mini-ATX and below) Internal 3.5 Drive Bays: 15 Expansion Slots: 7 Front Ports: 2 x USB 2.0 80mm Fans: 2 max / 2 included 120mm Fans: 6 max / 6 included (3 in the front and 3 in the middle) Dimensions (H x W x D): 7.00 x 16.80 x 25.00 (Include panel) Weight: Net Weight: 23.10 lbs.