Features. ToolFree Installation and Easy Maintenance. Best Performed SECC Japanese Steel metal. Swiveled HDD Cage. Excellent Thermal SolutionSpecifications. Color Black. External Drive Bays 5.25 x 3, 3.5 x 2. Internal Drive Bays 3.5 x 3, 2.5 x 1. Front Ports USB 2.0 x 2 or USB 3.0 x 2, HD Audio. M/B Form Factor ATX, MicroATX. I/O Expansion Slots PCIE Expansion Slot x 7. Power Supply ATX 12V Form Factor, PSII Size. Thermal Solution Intel Certified TAC 2.0. Weight 34 lbs