• 【Versatile Application Scenarios】This 40mm 5V fan is ideal for cooling DVRs, small appliances, and electronics like Raspberry Pi. Its compact size (40x40x10mm) and 30cm XH2.54-2PIN cable make it a perfect replacement for various devices, ensuring efficient heat dissipation in tight spaces.
• 【Exceptional Performance with High Speed】Operating at 7000 RPM (±5%), this fan delivers powerful airflow of 6.84 CFM (±5%) and air pressure of 0.16 in H₂O (±5%), ensuring optimal cooling for high-heat environments while maintaining a noise level of just 33 dBA.
• 【Key Specifications & Hydraulic Bearing Advantage】Rated at 5V DC, 0.2A, and 1W, this fan features a hydraulic bearing for smooth, maintenance-free operation—unlike oil bearings that require regular lubrication. This ensures hassle-free use and longevity.
• 【Certified Quality & Durability】CE, FCC, and ROHS certified for safety and compliance. The hydraulic bearing supports a lifespan of up to 35,000 hours, with a recommendation of no more than 8 hours of daily use for optimal durability.
• 【Package Contents & Installation Note】Includes five 40mm 5V hydraulic bearing fans at an affordable price. Before installation, ensure your device’s voltage matches the 5V rating. Note: The XH2.54-2PIN connector is not compatible with Raspberry Pi without custom wiring.

Enhance Your Device’s Cooling with 40mm 5V Hydraulic Bearing Fans

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Keep your small electronics running efficiently with this 5-pack of high-speed 40mm 5V fans. Perfect for DVRs, Raspberry Pi cases, VR gear, routers, and other compact devices, these fans provide targeted cooling in tight spaces. The 30cm cable with XH2.54-2PIN connector ensures easy integration, while the brushless design guarantees consistent performance without frequent maintenance.

Why Choose These Fans

• Hydraulic Bearing: Unlike oil bearings that need regular lubrication, these fans use hydraulic bearings for smooth, hassle-free operation.
• ​High-Speed Cooling: Operating at 7000 RPM (±5%), they deliver 6.84 CFM (±5%) of airflow to efficiently dissipate heat in demanding environments.
• ​Quiet Yet Powerful: At 33 dBA, these fans provide robust cooling without disruptive noise—ideal for home, office, or creative projects.
• ​Long-Lasting Durability: Designed for up to 35,000 hours of use (recommended ≤8 hours/day), ensuring reliable performance over time.

Certified Quality & Easy Compatibility

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CE, FCC, and ROHS certifications ensure these fans meet strict safety and environmental standards. The 5V DC power requirement makes them compatible with a wide range of devices, though custom wiring may be needed for Raspberry Pi setups.

Package Includes & Usage Tips

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Each order contains five 40x10mm fans, perfect for bulk replacements or multi-device cooling. For best results:

1. Confirm your device’s voltage matches the 5V rating.
2. Ensure proper airflow by avoiding obstructions during installation.
3. Clean dust periodically to maintain optimal offer FREE shipping on all orders!
4. We ship within Three business days of payment, usually sooner.
5. We use a selection of shipping services such as UPS, FedEx, USPS etc.
6. We only ship to the lower 48 states, no APO/FPO addresses or PO Boxes allowed.
7. Local pickups and combined shipping options are not provided at this time.

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• Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt.
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