be quiet! BG075 Pure Base 501 Airflow White PC case

Compact ATX Full Tower

The be quiet! Pure Base 501 Airflow White is an ATX Full Tower case built from ABS and steel in a clean white finish. It supports ATX, Micro ATX and Mini ATX motherboards while keeping external dimensions compact at 518 x 292 x 503 mm. Two pre-installed Pure Wings 3 140 mm PWM fans deliver strong airflow through the high‑perforation front panel and top cover. Dust filters on the bottom, front and top help keep internals clean.

Upgrade From Restricted Mid Towers

Builders moving from smaller mid‑tower chassis will gain room for graphics cards up to 368 mm long and CPU coolers up to 178 mm tall. The front panel accepts radiators up to 360 mm, the top up to 240 mm and the rear up to 140 mm, enabling custom loops that would not fit in tighter cases. Seven expansion slots and optional vertical GPU mounting add flexibility for high‑end configurations. The jump is worth it when current hardware is throttled by limited clearance or airflow.

Capacity And Headroom

Internal storage includes two 3.5" drive bays and five 2.5" bays, providing space for multiple hard drives and SSDs. Front I/O supplies one USB 3.2 Gen 2 Type C port, two USB 3.2 Type A ports and combined HD audio. Fan mounts allow two 140 mm or three 120 mm fans at the front, one 120 mm or one 140 mm at the rear, and two 120 mm or two 140 mm at the top. The power supply compartment fits units up to 180 mm deep, while the 8.0 kg weight keeps the build stable.