The Core X5, the new ATX chassis that completes the Core X Series case line, is a cube case offering endless stackable capacity and expandability for enthusiasts to create massive liquid cooling systems for a single system, file server, or even dual systems. Users can customize the chassis for the best viewing presentation with an interchangeable window and I/O panel design. The Core X5 delivers outstanding cooling performance with compatibility for extensive DIY/AIO LCS and overclocking components, further enhancing the reputation that the air-cooling units in this series has become renowned for. It is guaranteed to be an immensely powerful system! With its endless stacking design, the Core X5 is in a class above the rest. Virtually limitless utility is possible; it offers an expandable system allowing enthusiasts to incorporate externally modular upgrades. Stacked together, the chassis opens up space to expand the liquid cooling system, the storage solutions, or even to create dual systems, thereby enabling a dedicated top/bottom set-up for pure cooling. When stacked, the maximum radiator length supported is 540mm on the front side.