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Small black 40mm square CPU cooling fan with hydraulic bearing

OEM Industries

OEM Industries AD0405MX-G70 40mm 5V 0.11A 4200RPM CPU cooler

SKU CH-JFNB-HR37Y MPN AD0405MX-G70

A 40 mm hydraulic-bearing fan spins at 4200 RPM while drawing 0.11 A at 5 V and producing only 16 dBA of noise

  • ColorBlack
  • TypeFan only
  • Fan Size40mm
  • Bearing TypeHydraulic
  • Power Connector2 Pin
  • LEDNo
  • Compact 40 mm frame fits tight builds
  • Hypro alloy bearing reduces friction for long life
  • Low 16 dBA noise keeps systems quiet
  • 5 V 0.11 A draw limits power use
  • 4200 RPM speed delivers focused airflow

Compact 40 mm 5 V fan for tight builds

The OEM Industries AD0405MX-G70 is a 40 mm square frame fan that runs on 5 V at 0.11 A. Its hypro alloy bearing spins at 4200 RPM while producing 16 dBA noise. The two-pin connector fits standard low-voltage headers on small-form-factor boards or embedded systems.

Replaces noisy sleeve-bearing 40 mm units

Swap this in when an original 40 mm cooler has become loud or has seized after long service. The hydraulic bearing gives smoother start-up and longer life than basic sleeve types. The jump is worth it if the existing fan still moves air but the bearing whine is audible at idle.

Two-pin plug installs in seconds

Push the 2-pin connector onto the matching header; no PWM wire means speed stays constant. The only common issue is reversed polarity — the fan will not spin if the plug is flipped. Verify the red wire aligns with the header’s positive pin before powering on.

Pontos fortes

  • Compact 40 mm frame fits tight builds
  • Hypro alloy bearing reduces friction for long life
  • Low 16 dBA noise keeps systems quiet
  • 5 V 0.11 A draw limits power use
  • 4200 RPM speed delivers focused airflow

Especificações

ModelAD0405MS-G70
ColorBlack
TypeFan only
Fan Size40mm
Bearing TypeHydraulic
Power Connector2 Pin
LEDNo

Perguntas sobre este artigo

Will the 40 mm square frame with 10 mm depth fit my motherboard's CPU fan header area?

The fan measures 40 mm by 40 mm by 10 mm, so verify that your socket keep-out zone and surrounding components leave at least that much clearance.

How do I connect the two-pin power lead, and what mistake should I avoid?

Plug the 2-pin connector onto the motherboard's 5 V CPU fan header, aligning the key; do not force it onto a 3-pin or 4-pin header or the fan will not receive power.

When should I expect to replace the hypro alloy bearing fan?

The hydraulic bearing is rated for long life at 4200 RPM, but plan to swap the fan if noise rises above the specified 16 dBA or airflow drops noticeably.

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