FEATURES Dual High Speed USB 3.0 . External SSD Connecting Port. Anti-Dust Rubber Covers. Removable and Modular Top Cover Panel. Colored, Transparent Hexagonal Side Panel Window. RAIDMAX Significant Eye Catching Front Panel Design. Unique 5.25" Screw-Less Optical Drive Rack Modular Design HDD Rack for Up to 415mm Extended Length VGA Cards. Rail Slide HDD Rack Technology. LIQUID COOLING Supports 240mm Dual-Fan Liquid Cooling System. COOLING SYSTEM Up to Six 120mm Fans for Maximum Airflow Top: 2 x 120mm fan (optional) Front: 2 x 120mm Orange LED fan (one included) Rear: 1 x 120mm Black fan Bottom: 1 x 120mm fan (optional) SPECIFICATIONS BASIC SPECIFICATIONS External Drive Bays: 3 x 5.25" 1 x Hot Swap for 2.5" SSD Internal Drive Bays: 4 x 2.5" SSD 3 x 3.5" HDD System Board: ATX / Micro ATX / Mini ITX Expansion Slots: Standard ATx 7 Slots I/O Ports: 2 x USB 3.0 / 2 x HD AUDIO Dimensions (L x W x H): 21.2 x 9.4 x 19.9 inches (539 x 240 x 507mm) COOLING SYSTEM Front: 2 x 120mm LED fan (one included) Side: None Back: 1 x 120mm Black frame with Black fan blades Top: 2 x 120mm fan (optional) Bottom: model : 522WBO tag : Computer Cases