. Model Dark Base Pro 901 Color option Black Motherboard compatibility E-ATX / XL-ATX / ATX / M-ATX / Mini-ATX Case size excl. stands (L x W x H), (mm) 604 x 254 x 539 Case size incl. stands (L x W x H), (mm) 604 x 275 x 569 Volume (l) 82.69 PSU form factor ATX PS/2 Weight (kg) 16.3 Expansion slots 8 Maximum fan installation Maximum fans 11 Top (mm) 3x 140 / 3x 120 Front (mm) 3x 140 / 3x 120 Side (mm) 3x 120 Rear (mm) 1x 140 / 1x 120 Bottom (mm) 1x 140 / 1x 120 PSU shroud - Optional radiator installation Top (mm) 120 / 240 / 360 Front (mm) 120 / 140 / 240 / 280 / 360 / 420 Side (mm) 120 / 240 / 360 Rear (mm) 120 / 140 Bottom (mm) - Graphics card HDD cage (in height of graphics card) installed (mm) 350 / 370 HDD cage (in height of graphics card) removed (mm) 495 Maximum PCIe slots with vertical graphics card (pcs.) 8 Drive bay capacity 5.25 bays (pcs.) 1 3.5 slots (scope of delivery) 2 3.5 slots (max.) 7 2.5 slots (scope of delivery) 6 2.5 slots (max.) 16 Cooling Max.construction height of CPU cooler unit (mm) 190 Airflow channel - Lighting LED illumination ✓ LEDs (pcs.) 8 + 16 LED type ARGB - 5V LEDs synchronizable with controller/motherboard ✓ I/O Panel USB 3.2 Gen. 2 Type C 1 USB 3.2 Type A 4 USB 2.0 - HD Audio I/O Mic + Audio Qi charger / Quick Charging Option 15W Material Top cover Aluminium Front panel Aluminium Side panel Glas Side panel window Steel Stands Steel Scope of delivery Screw set (Drives/Motherboard) ✓ Additional standoffs (pcs.) 3 (for E-ATX) SSD bracket for PSU shroud - LED strips (pcs.) 0 Cable ties (pcs.) 12 Screw box ✓ VGA holder ✓ VGA holder for inverted layout ✓ Mesh Front Panel ✓ ODD Bracket ✓ Fan / Radiator bracket for multi mounting panel ✓