The CORSAIR Obsidian Series 1000D is the ultimate super-tower PC case with iconic tempered glass design smart lighting and fan control and the ability to house two systems simultaneously for the most epic builds. THE ULTIMATE SUPER-TOWER PC CASE Iconic and clean exterior lines four smoked tempered glass panels and seamlessly integrated RGB lighting make the Obsidian 1000D the best-looking Obsidian Series case yet. STREAM AND GAME SIMULTANEOUSLY The Obsidian 1000D can fit both a complete E-ATX and Mini-ITX system concurrently so you can stream and game smoothly from one enclosure. Two motherboards two power supplies two full PCs in one case. MASSIVE COOLING OPTIONS Up to 18 fan mounts* and room for up to four 480mm radiators simultaneously BUILT-IN SMART LIGHTING AND FAN CONTROL An integrated CORSAIR Commander PRO fan and lighting controller grants superior control over almost every aspect of your system via CORSAIR iCUE software. TRIPLE-CHAMBER DESIGN Keeping a 1000D PC build tidy is effortless with the included French-door-style rear storage compartment E-ATX motherboard and dual-purpose Mini-ITX motherboard tray and PSU cover. FUTURE-PROOF FRONT PANEL An RGB LED lit front panel includes two USB 3.1 Gen-2 Type-C ports alongside four USB 3.0 ports for future-proof and backward compatible connectivity. BUILD IT BETTER A rotatable GPU bracket for standard or vertical GPU mounting and a wealth of pump and reservoir fit points throughout the case make the 1000D the most flexible and modular CORSAIR case ever. TELESCOPING RADIATOR TRAYS Install fans and radiators effortlessly with smooth tool-less modular radiator mounting trays. SIZE MATTERS The massive 1000D features storage space for up to five 3.5 HDDs and six 2.5 SSDs each in their own dedicated compartments.