Model Pure Base 501 Airflow Window Black Color option Black Motherboard compatibility ATX / M-ATX / Mini-ITX Case size excl. stands (L x W x H), (mm) 450 x 231 x 449 Case size incl. stands (L x W x H), (mm) 450 x 231 x 463 Volume (l) 39.2 PSU form factor ATX PS/2 Net weight (kg) 7.2 Expansion slots 7