The Enermax Fulmo GT is an enormous full-tower case with 10 expansion slots and supporting HPTX motherboards, two power supplies, and 11 3.5"/2.5" storage devices.

Here is a snippet: "The Enermax Fulmo GT is a gigantic full-tower case supporting EVGA's Classified SR-2 motherboard, which at the moment is the only motherboard in the world based on the HPTX form factor. It also supports E-ATX, XL-ATX, and smaller motherboards. This case has 10 expansion slots, 10 internal 3.5"/2.5" storage bays, one external 3.5"/2.5" docking bay, and supports the installation of two power supplies. Let's take a good look at this unique product."



Link: Hardwaresecrets