CM FORCE 251 Features: Air vents on the front panel for superior ventilation Includes one 120mm fan arranged for optimum airflow in the front with support for up to 4 fans Supports two optional 80/90/120mm fans on the side panel to cool the components Ample storage - supports up to 2 ODDs and 8 HDDs for great expandability Front I/O panel for easy access Top mounted design of PSU for easier cable management Specifications: Color(s) Black Dimensions (L x W x H) 180 x 416.6 x 429.5 mm / 7.1 x 16.4 x 16.9 inch Net Weight 3.9 kg / 8.6 lbs Motherboard Support Micro ATX, ATX 5.25" Drive Bays 2 (exposed) 3.5" Drive Bays 8 (1 exposed, 7 hidden) I/O Panel 2x USB 2.0, 1x Mic, Audio In & Out (Supports HD Audio) Expansion Slots 7 Cooling System - Front 120mm fan x 1 (installed) Cooling System - Rear 80/90/120mm fan x 1 (optional) Cooling System - Side 80/90/120mm fan x 2 (optional) Power Supply Support Standard ATX PS2 (optional) Maximum Compatibility - VGA Card Length 245mm / 9.6 inch Maximum Compatibility - CPU Cooler Height 154mm / 6.0 inch (Without the Side Fan), 129mm / 5.1 inch (With the Side Fan) Series CM Force Series Size Mid Tower