Noctua NF-A4x10 PWM 40mm Quiet High-Performance Fan

Upgrade your cooling setup with the Noctua NF-A4x10 PWM, a premium 40mm fan designed for high-performance and quiet operation. This fan is built using the award-winning A-series design, which incorporates Flow Acceleration Channels and an Advanced Acoustic Optimisation frame. These technical improvements allow for superior cooling while keeping noise levels extremely low, reaching a maximum of just 19.6 dB(A). This 40x40x10 mm fan is an ideal solution for compact hardware requirements. It is perfectly suited for 1U servers or for replacing aging fans in network and storage equipment such as routers, switches, and NAS devices. It also works well in other electronics like DVRs. With a 4-pin PWM connection, you get automatic speed control via your device's fan headers, offering a broad speed range from 1000 to 5000 RPM. This ensures your equipment stays cool under load while remaining silent during lighter tasks. For those needing even quieter operation, a Low-Noise Adaptor is included to cap the speed at 3700 RPM. Built for reliability, this fan features a high MTTF of over 150,000 hours, making it a dependable choice for long-term use in critical hardware.