Noctua NF-F12 PWM, 4-Pin Premium Quiet Fan (120mm, Brown) Renowned 120x25mm fan with FocusedFlow frame for high static pressure and superior quiet cooling performance Ideal for CPU heatsinks (e.g. Noctua NH-U12(S) series) and water cooling radiators, perfect replacement fan for loud all-in-one (AIO) coolers 4-pin PWM version for automatic speed control via 4-pin PWM fan headers, broad 300-1500rpm speed range (1200rpm max. with supplied Low-Noise Adaptor) Includes anti-vibration mounts, fan screws, Low-Noise Adaptor, extension cable and y-cable for running two PWM fans on the same header Trusted Noctua quality with premium-grade SSO2 bearing and more than 150.000 hours MTTF