Noctua NF-A4x20 PWM, 4-Pin Premium Quiet Fan (40mm, Brown) 40x20mm 12 V - PWM Single

Noctua NF-A4x20 PWM, 4-Pin Premium Quiet Fan (40mm, Brown)

Product Features

• Quiet premium fan, 40 x 40 x 20 mm, 12 V, 4-pin PWM, max. 5000 RPM, max. 14.9 dB(A), >150,000 h MTTF
• Award-winning A-series with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior silent cooling performance
• 40 x 20 mm format: ideal for 1U servers and as a replacement fan for network and storage devices (routers, switches, NAS, etc.) or other products such as DVR
• 4-pin PWM version for automatic speed control via 4-pin PWM connectors, maximum speed 5000 rpm (4400 rpm with included low-noise adapter)
• Includes anti-vibration fixings, fan screws, extension cable, Y cable, and OmniJoin adapter kit to operate on proprietary connectors