The Corsair Obsidian 250D Mini ITX is perfect for those who wish to build a Mini ITX system without sacrificing expansion, flexibility, or performance. The 250D has room for standard components like a full-size 5.25in optical drive, a full-length GPU, a 240mm radiator, and even a full-size ATX power supply. It features the Obsidian style design which is made from beautifully brushed aluminium and solid steel to provide a high quality chassis for your high quality components.