Quiet 140mm USB Cooling Fan with 3 Speed Control
This high-efficiency 140mm x 140mm x 25mm cooling fan delivers optimal airflow (68CFM) at just 26dBA, powered by a durable 5V USB interface (0.3A, 1.5W). Featuring a brushless motor for silent operation (1400RPM) and static pressure (0.056In H2O), its 500mm cable ensures flexible placement. The fan’s lightweight yet sturdy design, combined with metal fan guards, makes it ideal for continuous cooling. The low power-consumption fan is powered by USB ports found behind popular electronics and on portable power banks.
3-Speed Adjustable Controller
The included 3.8ft (1.16m) speed controller allows seamless switching between low, medium, and high settings to balance cooling performance and noise levels. Its auto-sync function automatically powers the fan on/off with your device—no manual intervention needed. Perfect for energy-saving operation, the controller ensures your equipment stays cool only when required, extending both fan and device lifespan.
Versatile Cooling for Multiple Devices
Designed to cool various electronics and ventilate DIY projects, this 140mm usb computer fan is popular in various cooling and ventilation applications including receivers, DVRs, video game consoles, modems, computers, amplifiers, and other audio-video equipment. It effectively prevents overheating in compact spaces like entertainment centers, or home theater. Whether for DIY projects or OEM replacements, its universal compatibility and plug-and-play USB power make installation effortless.
Complete Package for Immediate Use
Each order includes: 1x 140mm 5v usb cooling fan, 2x 140mm protective metal grilles, 1x 3-speed controller, and 4x mounting screws. Ready to deploy out of the box, the fan requires no additional accessories.
Upgrade Your Cooling Solution Today! This 140mm usb computer fan can protect your valuable electronics from overheating!

• 140 MM 5V USB COMPUTER PC FAN: Quiet USB fan designed to cool various electronics and stereo components; Used for cooling Xbox, mini PCs, router, PS5, DVRs, receivers, cable modem, etc.
• USB POWERED FAN 140 MM: USB plug can power the 140 mm fan through USB ports found behind popular AV electronics and game consoles
• 3 SPEEDS ADJUSTABLE: USB 140 mm cooling fan with 3 speeds control allows you to set the fan’s speed to optimal noise and airflow levels
• Fan Size: 5.5 x 5.5 x 1 inches | Airflow: 68 CFM | Noise: 26 dBA | Bearings: Sleeve | Speed: 1400 RPM max. | Current: 0.3 Amp | Power:1.5 W | Static Pressure: 0.056 In H2O | Lifespan: 40,000 hours
• PACKAGE INCLUDED: 1Pcs 140 x 140 x 25 mm USB 5v dc cooling fan; 2Pcs 140 mm metal fan guards; 1Pcs 3 speed controller, 4Pcs mounting screws