Best 120mm Case Fans Best pick 120mm case fans to buy in the UK (May 2022). #1 Pick: Overall Review Score = 94% Best Overall Antec 120mm RGB Case fan,4-pin RGB, Prizm spark Series, RGB High Performance PC... #2: Best Rated Alternative Also Good Corsair CO-9050039-WW ML Series ML120 120 mm Low Noise High Pressure Premium... #3: Best Value For Money Also Good GDSTIME High Airflow 2 x 120mm USB Router Cooling Fan 240mm Case Fan Cooler with... – – Similar Guides