The Thermaltake Core V21 Micro Chassis sports a quadrate micro-ATX based chassis that offers an endless stackable and flexible thermal solution. It allows externally-modular upgrades for enthusiasts to create dual systems. It comes equipped with a window side panel, a non-window plain side panel, and a 200mm fan on the front panel to deliver outstanding cooling performance with compatibility for extensive DIY/AIO LCS. Guaranteed to be an immensely powerful system, the Core V21 also has the ability to accommodate various overclocking components to boost performance even further where it counts!