. Product Name Gemini M Case Form Factor Mini Tower Motherboard Type Mini ITX / Micro ATX Dimensions (WxHxD) 210 x 423 x 400 (mm) 8.27 x 16.65 x 15.75 (in) I/O Panel USB3.0x1, USB2.0 x 1, Mic x 1 / Audio x 1, RGB Control Button 3.5" Drive Bay 2 2.5" Drive Bay 2+2 (converted from 3.5" drive bays) / (2 SSD trays included) Expansion Slots 4 Cooling Fan Support Front 140mm x 2 / 120mm x 3 Top 140mm x 2 / 120mm x 2 Rear 120mm x 1 (pre-installed) Maximum Number of Fans 6 Max. Water Cooling Support Front 280mm / 240mm /140mm /120mm Top 240mm / 140mm / 120mm ( Max. Component Height on Motherboard is 40mm ) Rear 120mm Max. Graphics Card Length 330 (mm) / 12.99 (in) (Horizontal graphics card slots are compatible with RTX 3090/3080/3070.) Max. CPU Cooler Height 175 (mm) / 6.89 (in) PSU Standard ATX PS2 Max. PSU length 160 (mm) / 6.3 (in) Onboard Lighting System Trelux Lighting with Addressable RGB LEDs and Dynamic Lighting Effects in the Front Panel Cable Management Yes