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40mm x 10mm Mini Cooling Fan, DC 12V 2pin 6500RPM High Speed Fan | 4PCS DC Brushless Cooling Fan 12 Volts for Computer Case PC PS5 Amplifier Electronic Equipment, Replacement for 3D Printer
AmRunJe

AmRunJe 40mm x 10mm Mini Cooling Fan

Bottom line: The AmRunJe 40mm x 10mm Mini Cooling Fan is a specs-and-price decision rather than a crowd-consensus one in the cooling & fans category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ Backed by AmRunJe's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

SpecPicks Verdict

SpecPicks scored AmRunJe 40mm x 10mm Mini Cooling Fan using a rating × review-volume × price-fit model applied to published specs and reviews across the cooling & fans category. AmRunJe's cooling & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for cooling & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • APPLICATION: This 40mm fan is a compact yet powerful solution for high airflow, perfect for cooling 3D printers like the Ender 3, Ender 3 Max Neo, Ender 3 Pro, Ender 3 V2, and Ender 5 Pro. It also cools DVRs, amplifiers, humidifiers, purifiers, and car battery chargers. As a small PC fan, it offers versatile cooling for various devices
  • CONNECTION: The 12v cooling fan uses a 2-pin connection with a red wire on the positive pole and a black wire on the negative pole, with no additional control or speed measurement wires. And it has a 1 meter long cable for your convenience
  • HIGH SPEED: 6500rpm ultra-high-speed operation brings the ultimate cooling experience, effectively reduces the temperature of the equipment, prolongs the service life, and is suitable for long-time high-load working environment
  • COMPACT: With its ultra-compact size of just 40mm x 10mm, this dc fan is designed to fit effortlessly into tight spaces, delivering powerful cooling where larger fans can't
  • SPECIFICATION(each): 40 x 40 x 10 mm ( 1.57 x 1.57 x 0.39 in. ) | Rated Voltage: 12V | Rated Current: 0.08 Amp | Power: 1 Watt | Speed: 6500 RPM | Noise: 27.6 dBA | Airflow: 7.13 CFM | Static Pressure: 0.16 In H2O | Bearing: Sleeve

Full Specifications

BrandAmRunJe
Voltage12 volts
Wattage2.4 watts
MaterialPlastic
Dimensions40 x 40 x 10 mm
Unit Count4 Count
Noise Level27.6 db
Part Number2pins4010
CompatibilityPC, PS5
Material TypePlastic
Cooling MethodAir
Number of Items2
Air Flow Capacity7.13 cfm
Compatible DevicesCpu
Included Components2pin 4010 fan*4
Power Connector Type2-Pin
Maximum Rotational Speed6500 rpm
Item Dimensions L x W x H1.57"L x 0.39"W x 1.57"H
Full listing title40mm x 10mm Mini Cooling Fan, DC 12V 2pin 6500RPM High Speed Fan | 4PCS DC Brushless Cooling Fan 12 Volts for Computer Case PC PS5 Amplifier Electronic Equipment, Replacement for 3D Printer

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40mm x 10mm Mini Cooling Fan, DC 12V 2pin 6500RPM High Speed Fan | 4PCS DC Brushless Cooling Fan 12 Volts for Computer Case PC PS5 Amplifier Electronic Equipment, Replacement for 3D Printer is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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