Panel: 3mm Tempered Glass x 1, Material: SPCC, Expansion Slots: 7, I/O Port: USB 3.0 x 2, HD Audio x 1, Psu: Standard PS2 PSU (optional), Motherboards: 6.7" x 6.7" (Mini ITX), 9.6" x 9.6" (Micro ATX), 12" x 9.6" (ATX), Warranty: 03 Years, CA-1X2-00M1WN-00.