Corsair Obsidian 800D One of the most anticipated computer cases has finally arrived at CyberPower: the Corsair Obsidian 800D. The steel constructed case has a plethora of features and ample room for your system and future upgrades. The Obsidian 800D is hot-swap ready meaning you can connect your HDs and readily load and unload files with ease. The top also has cut-outs for 3 120mm fans so youll be able to order your Obsidian case with Aseteks 240mm water cooling solution for maximum CPU cooling. The case also features one-button push buttons to unlatch side panels so you wont have to deal with screws. Designed for Years of Performance Four easily accessed hot-swap drive bays Removable CPU backplate panel for easy heatsink installation Isolated cooling zones prevent heat buildup Unique cable routing holes guarantee a clean and clutter-free installation Three fans included, with the ability to add four more 120mm fans Tool-free optical drive installation makes building a system faster than ever.