DIYPC Adventurer-9601G Black Steel ATX Full Tower Computer Case with 5 x 120mm Green Fan and 1 x USB3.0 Full black interior; Full top/front mesh cover; Dust filter at bottom Advanced cable management design; Revolutionary High Efficiency Thermal Solution 6 front, rear, and top 120mm fans enhance airflow while a meshed front and top panel provide superior ventilation. Screw-less design for 5.25" Devices & 3.5" HDDs; Screw-less top fan holder & filter Integrated 3 channel fan speed controller - control front, top, rear and bottom fans