BE QUIET! DARK BASE PRO 901 User Manual page 11

Position
Top
Front
Side
Rear
PSU Cover
Position Size (mm)
Top 120 / 240 / 360
120 / 140 / 240 / 280 /
Front
360 / 420
Side 120 / 240 / 360
Rear 120 / 140
Size (mm)
3x 140 / 120
3x 140 / 120
3x 120
1x 140 / 120
1x 140 / 120
9