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. 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. 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. Up to 18 fan mounts and room for up to four 480mm radiators simultaneously. The CORSAIR Obsidian Series 1000D is the ultimate super-tower PC case with iconic tempered glass design, smart lighting and fan control via iCUE software, and the ability to house two systems simultaneously for the most epic builds. An integrated CORSAIR Commander PRO fan and lighting controller grants superior control over almost every aspect of your system via CORSAIR iCUE software. 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. 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. 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. Install fans and radiators effortlessly with smooth, tool-less modular radiator mounting trays. The massive 1000D features storage space for up to five 3.5� HDDs and six 2.5� SSDs, each in their own dedicated compartments. CORSAIR iCUE software brings your case to life with dynamic synchronized RGB lighting across your whole system, customizable fan speeds to silence fans and advanced system monitoring.