. Model Name MX340 Case Form Factor Mid-Tower Dimension (WxHxD) 208 x 450 x 405 (mm) Motherboard Type Mini ITX / Micro ATX / ATX 3.5" Drive Bay 2 2.5" Drive Bay 2 I/O Panel USB3.0 x 1 / USB2.0 x 2 , Mic x 1 , Audio x 1 Cooling System Front 120mm x 3 Top 120mm x 2 / 140mm x 2 Rear 120mm x1 (pre-installed) Water Cooling Support Front 360mm / 240mm / 120mm Rear 120mm Cable Management Yes Expansion Slots 7 Max. Graphics Card Length 330 (mm) / 12.99 (in) (Horizontal graphics card slots are compatible with RTX 3090/3080/3070.) Max. CPU Cooler Height 160 (mm) / 6.29 (in) PSU Standard ATX PS2 Max. PSU Length 180 (mm) / 7.1 (in)