Overview
The Noctua NF-A4x10 5V PWM is a premium 40mm cooling fan engineered for users who need serious airflow in the tightest spaces without putting up with distracting noise. Built on Noctua's award-winning A-series design, it combines Flow Acceleration Channels with an Advanced Acoustic Optimisation frame to deliver superior quiet cooling performance in a remarkably slim 10mm profile.
This 5V 4-pin PWM version runs at up to 5000 RPM and includes polarity protection, making it a dependable choice for 5V applications that require precise PWM speed control. Whether you are cooling a compact electronics enclosure, a network device, a 3D printer, or a small form factor PC, this fan is designed to keep temperatures down while keeping noise to a minimum.
With a class-leading MTTF of more than 150,000 hours and a full accessory set in the box, it is a long-term, install-and-forget cooling solution for enthusiasts and professionals alike.
Key Features
- Brand: Noctua
- Model: NF-A4X10 5V PWM
- Fan Size: 40 x 40 x 10 mm slim profile
- Power Connection: 4-Pin PWM
- Voltage: 5 V
- Maximum Speed: 5000 RPM
- Noise Level: 19.6 dB(A) maximum
- Material: Fibre-glass reinforced PBT
Highlights
- ✓ Advanced Acoustic Optimisation frame and Flow Acceleration Channels deliver strong airflow with very low noise
- ✓ Slim 10mm depth fits cramped enclosures, mini PCs and electronics projects where standard fans will not go
- ✓ 5V 4-pin PWM design with polarity protection gives you reliable, controllable speed in 5V systems
- ✓ USB power adaptor cable lets the fan run from USB host ports, power banks or USB power supplies
- ✓ Exceptional >150,000 hour MTTF for years of dependable, maintenance-free operation
Usage
Ideal for cooling compact electronics, single-board computers, network equipment, 3D printer hot ends and small form factor PC builds. The included USB adaptor cable makes it easy to power the fan from a USB port or power bank, while the OmniJoin adaptor set helps you connect it to proprietary fan headers.
Available in multiple size and pack options — please select your preferred option from the drop-down menu above.
In the Box
- Noctua NF-A4x10 5V PWM fan
- Fan screws
- Extension cable
- OmniJoin adaptor set
- USB power adaptor cable
