The be quiet! Pure Base 501 (Black) offers a timeless, compact ATX design built for maximum functionality and quiet performance. It comes equipped with two pre-installed Pure Wings 3 140mm PWM fans for high-pressure airflow, smart cable management, and support for radiators up to 360mm. Designed to house large graphics cards with optional vertical mounting, it delivers versatile hardware compatibility alongside modern USB 3.2 Gen 2 Type-C connectivity.