Quiet 40mm PWM Fan with USB Power Adapter Cable – 5V, 4-Pin Connector

Premium quiet fan, 40x40x10 mm, 5V, 4-pin PWM, max. 5000 RPM, max. 19.6 dB(A), >150,000 h MTTF Award-winning 40x10mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance 5V 4-pin PWM version...

EC 60x60x25mm AC Cooling Fan Dual Ball Bearings Fits 110V/115V/120V/220V

EC fans are more efficient than AC fans. An EC fan uses 75% to 80% less power than an equivalent AC fan solution by converting an AC signal into a DC output. This design allows EC Fans to have a smaller footprint and lower power consumption than standard AC-powered...