High airflow intake front panel and top cover for maximum performance 2 preinstalled Pure Wings 3 140mm PWM fans for extraordinary air pressure Generous space for high-end graphics cards and large coolers, despite compact footprint Optional vertical graphics card installation Water cooling ready for radiators up to 360mm USB 3.2 Gen. 2 Type C for best connectivity Comfortable cable management with clever cable routing design Side panel made of tempered glass Comfortably compactPure Base 501 Airflow Window Black is a traditional, timeless and versatile be quiet! ATX case with compact dimensions.REDUCED TO THE MAXClassic appearanceWithout any distractions, Pure Base 501 Airflow Window Black is reduced to excel at its core functions and is aimed at users that appreciate anunagitated presentation.PERFECT CASE FANFan blades optimized for high airflowWith optimization for maximum airflow, Pure Wings 3 140mm PWM is the perfect choice for Pure Base 501 Airflow Window Black. Its 7 airflow-optim