Noctua NF A12x25 LS PWM, Ultra Quiet Silent Fan, 4 Pin (120mm, Brown)

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Ultra low noise fan, 120x120x25mm, 12V, 4-pin PWM, max. 1200 RPM, max. 12.1 dB(A), >150,000 h MTTF Next-generation 120x25mm A-series design provides unprecedented quiet cooling performance, ideal for CPU coolers and watercooling radiators State-of-the-art engineering (AAO frame, Flow Acceleration Channels, record tight 0.5mm tip clearance) and construction (Sterrox LCP material, metal-reinforced hub, metal bearing shell, etc.) Ultra-quiet 4-pin LS-PWM version, ideal for semi-passive setups (fan stops at 0% PWM) or ultra-low-noise applications that require PWM control Includes anti-vibration mounts, radiator gasket, fan screws, extension cable and y-cable for running two PWM fans on the same header

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Premium quiet fan, 120x120x25mm, 5V, 3-pin Molex, 1900 RPM, 21.4 dB(A), >150,000 h MTTF Next-generation 120x25mm A-series design provides unprecedented quiet cooling performance, ideal for CPU coolers and watercooling radiators 5V 3-pin version (1900rpm) with polarity protection for 5V-based industrial applications or replacing 5V fans in various devices USB power adaptor cable allows the fan to run on devices with USB host ports, power banks or USB power supplies such as those used by smartphones Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connection to proprietary fan headers