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Small black 40mm square fan 20mm thick with two wires

OEM Industries

OEM Industries EFC-04D12L 40mm 20mm 12V .08A 2-Wire CPU cooler

SKU CH-GA4T-AASNX

A 40 mm square DC fan with 20 mm thickness runs on 12 V at .08 A using two wires

  • ColorBlack
  • TypeFan only
  • Fan Size40mm
  • LEDNo
  • Compact 40mm square frame fits tight spaces
  • Low 20mm height clears low-profile builds
  • 12V .08A draw keeps power use minimal
  • Two-wire connection simplifies installation
  • Fan-only design focuses on direct airflow

Compact 40 mm CPU air cooler

The OEM Industries EFC-04D12L is a 40 mm square cooler with a 12 V 0.08 A two-wire fan. It fits tight spaces where standard tower coolers cannot be installed. The unit suits low-power processors or embedded boards that need active airflow.

Replaces stock low-profile coolers

This fan-only design upgrades passive heatsinks or smaller blowers that cannot move enough air. The jump is worthwhile when thermal throttling appears under sustained load and a 40 mm mounting pattern is the only option.

Limited by two-wire 12 V interface

Speed cannot be regulated by PWM because the cooler uses a simple two-wire connection. It runs at full voltage continuously, so noise stays constant and the motherboard cannot reduce fan speed at idle.

Points forts

  • Compact 40mm square frame fits tight spaces
  • Low 20mm height clears low-profile builds
  • 12V .08A draw keeps power use minimal
  • Two-wire connection simplifies installation
  • Fan-only design focuses on direct airflow

Caractéristiques

ModelEFC-04D12L
ColorBlack
TypeFan only
Fan Size40mm
LEDNo

Questions sur cet article

Will the 40 mm square frame with 20 mm depth fit my motherboard mounting holes?

The cooler measures 40 mm across and 20 mm thick, so it fits standard 40 mm fan mounting patterns on compatible sockets.

How do I connect the 2-wire 12 V .08 A lead without damaging the header?

Align the two pins with the motherboard 12 V fan header, press straight down, and ensure the black wire matches the ground pin.

When should I replace the sleeve-bearing fan in this 40 mm cooler?

Plan replacement when bearing noise appears or airflow drops noticeably, typically after several years of continuous 12 V operation.

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