Series CTECase Type Mid TowerDimensions 558.5 x 270 x 513mm (21.99 x 10.63 x 20.2 inch)Side Panel 4mm Tempered Glass x 3Material SPCCDrive Bays 3 x 3.5”, 1 x 2.5” or 2 x 3.5”, 2 x 2.5”Expansion Slots 7Motherboard 6.7” x 6.7” (Mini ITX), 9.6” x 9.6” (Micro ATX),12” x 9.6” (ATX), 12” x 10.5” (E-ATX)I/O Port USB 3.0 x 2, Type-c x1, HD Audio x 1PSU Standard PS2 PSU (optional)Fan Support Top:2 x 120mm, 1 x 120mmRight (M/B Side):3 x 120mm, 2 x 120mm, 1 x 120mm3 x 140mm ,2x 140mm, 1 x 140mm Bottom:3 x 120mm, 2 x 120mm, 1 x 120mm3 x 140mm ,2x 140mm, 1 x 140mmRadiator Support Top:1 x 240mm, 1 x 120mmRight (M/B Side):1 x 360mm, 1 x 240mm, 1 x 120mm1 x 420mm, 1 x 280mm, 1 x 140mm Bottom (DIY only):1 x 360mm, 1 x 240mm, 1 x 120mm 1 x 420mm, 1 x 280mm, 1 x 140mmClearance CPU cooler max height: 166mm VGA max length: 415mm (with radiator) 443.8mm (without radiator) PSU max length: 220mm