Thermaltake can deliver with the Core V21 Extreme Micro ATX Cube Chassis. With multiple configurations for both Air and Liquid cooling setups, the Core V21 offers multiple options for today’s cooling demands. Save time with a tool-free drive bay design, optimized air flow and modular chassis options to configure your build, your way and get back to gaming. "The case is really nice, it seems really well constructed" - BPS Customs As the latest addition to the Core V Series, the new Thermaltake Core V21 is a quadrate micro M-ATX-based chassis that offers an endless stackable and flexible thermal solution. It allows externally-modular upgrades for enthusiasts to create dual systems. Designed for use in either a vertical or horizontal orientation on the motherboard, users can customize the chassis for the best viewing presentation. A 200mm fan on the front panel ensures that the Core V21 delivers outstanding cooling performance with compatibility for extensive DIY/AIO LCS, further enhancing the reputation that the air cooling units of the series has become renowned for. the Core V21 also has the ability to accommodate various overclocking components to boost performance even further where it counts! P/N: CA-1D5-00S1WN-00 Case Type: Micro Case Dimension (H x W x D): 336 x 320 x 424 mm (13.2 x 12.6 x 16.7 inch) Net Weight: 6.5 kg / 14.3 lb Side Panel: Transparent Window Color: Exterior & Interior : Black Material: SPCC Cooling System: Front (intake) : 200 x 200 x 30 mm fan (800rpm, 13dBA) Drive Bays: -Hidden : 3 x 3.5’’ or 2.5” , 3 x 2.5’’ Expansion Slots: 5 Motherboards: 6.7” x 6.7” (Mini ITX) , 9.6” x 9.6” (Micro ATX) I/O Ports: USB 3.0 x 2, HD Audio x 1 PSU: Standard PS2 PSU (optional) LCS Upgradable: Supports 1/2”、3/8”、1/4” water tube Fan Support: Front: 1 x 120mm or 2 x 120mm,1 x 140mm or 2 x 140mm, 1 x 200mm; Top: 1 x 120mm or 2 x 120mm or 3 x 120mm or 4 x 120mm, 1 x 140mm or 2 x 140mm; Rear: 1 x 120mm, 1 x 140mm; Bottom: 1 x 120mm or 2 x 120mm; Left / Right Side: 1 x 120mm or 2 x 120mm, 1 x 140mm or 2 x 140mm; Radiator Support: Front: 1 x 120mm or 1 x 240mm ,1 x 140mm Top: 2 x 120mm or 2 x 240mm, 1 x 140mm or 1 x 280mm Rear: 1 x 120mm Left / Right Side: 1 x 120mm or 1 x 240mm, 1 x 140mm or 1 x 280mm Clearance: CPU cooler height limitation: 185mmVGA length limitation: 350mm PSU length limitation: 200mm (With Bottom Fan).