Thermaltake Case Thermaltake Level 10 Series ATX Mid Tower Computer CaseDon't let the good looks fool you. The Level 10 GTS Snow Edition is a streamlined computer case engineered to accelerate cooling and offers a full suite of technical features. Two pre-installed fans cool your components efficiently. You can also upgrade cooling by installing three optional fans and a water-cooling system. Four hot-swappable hard drive bays, a SuperSpeed USB 3.0 connection and a bottom-placed PSU design add great value to your good looking Level 10 GTS.FeaturesThermaltake CaseFrontSpeed 2: USB 3.0 SuperSpeedPitStop 4: EasySwap HDD BaysCableClear: Advanced Cable ManagementS.S.S.: Smart Lock Security SystemCombat Headset HolderBottom-Placed PSU Design for Easy Installation Unique DesignThermaltake CaseUnique Easy Swap HDD Bays  Thermaltake CaseEasy Access I/O Ports  Thermaltake CaseHeadset Holder Thermaltake CaseInternal USB 3.0 Connection The Cooling System - Air CoolingThermaltake CaseHDD Air Cooling System1. Front (intake) : 200 x 200 x 20mm Blue LED fan (600rpm, 13dBA)CPU Air Cooling System2. Top (exhaust) : 200 x 200 x 30mm fan x 1 or 120 x 120 x 25mm fan x 2 (Optional)3. Rear (exhaust) : 120 x 120 x 25mm Turbo Fan (1000rpm,16dBA)VGA Air Cooling System4. Side (intake) : 200 x 200 x 30mm (Optional)5. Bottom (intake) : 120 x 120 x 25mm fan (Optional)The Cooling System ・Liquid Cooling (Optional)Thermaltake CaseHDD Air Cooling System1. Front (intake) : 200 x 200 x 20mm Blue LED fan x 1 (600pm, 13dBA)CPU Air Cooling System2. Top (exhaust) : 200 x 200 x 30mm fan x 1 (600rpm, 13dBA)VGA Air Cooling System3. Side (intake) : 200 x 200 x 30mm fan x 1 or 140 x 140 x 25mm fan x 1(Optional)4. Bottom (intake) : 120 x 120 x 25mm fan (Optional)