4pcs 40mm USB Brushless Cooling Fan 40x10mm DC 5V Quiet Mini Computer Series

These 40mm USB brushless cooling fans are ideal for small electronics, computers, and appliances that require quiet and reliable cooling. They provide efficient airflow to prevent overheating and enhance device performance.

Key Features

• Rated voltage of 5V DC with a maximum current of 0.2A for safe operation
• Compact size of 40x40x10mm, perfect for tight spaces and small applications
• Low noise level of 22 dBA, ensuring quiet operation during use
• High-precision oil bearing with a lifespan up to 30,000 hours
• Powered via USB interface with a 1-meter (39.37-inch) cable for versatile placement
• Airflow capacity of 3 CFM at a speed of 4200±5% RPM for effective cooling

What's Included

• 4 x USB brushless cooling fans (40mm x 10mm, 5V for small appliances, mini computers, gaming consoles, AV electronics, and other devices requiring cooling fans

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