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Black 40 by 10 mm square fan with three wires

OEM Industries

OEM Industries EFB0405HA 40x10mm 5V .2A 3-Wire CPU Cooler

SKU CH-9Z2T-ZVNFB

A 40mm square fan with ball bearing and three-wire 5V 0.2A power for compact CPU cooling

  • ColorBlack
  • TypeFan only
  • Fan Size40mm
  • Bearing TypeBall
  • LEDNo
  • Compact 40mm square frame fits tight spaces
  • Ball bearing ensures durable, quiet operation
  • 5V 0.2A draw keeps power use low
  • Three-wire connector enables speed monitoring
  • Delta-built quality for reliable cooling

Compact 40 mm Delta fan

The OEM Industries EFB0405HA is a 40 mm square frame fan measuring 10 mm thick. It runs on 5 V at 0.2 A and connects through a three-wire lead. The ball-bearing motor and black finish are built for continuous airflow in tight spaces.

Suits small-form-factor and embedded builds

This cooler fits ITX boards, 1U servers and industrial appliances where a 40 mm mounting pattern is required. Builders needing larger airflow, PWM speed control or a heatsink assembly should look at larger coolers instead.

Three-wire 5 V power connection

The 3-pin lead supplies power and tachometer feedback at 5 V, so the header on your board must provide that voltage and pinout. Verify the connector matches before purchase.

Points forts

  • Compact 40mm square frame fits tight spaces
  • Ball bearing ensures durable, quiet operation
  • 5V 0.2A draw keeps power use low
  • Three-wire connector enables speed monitoring
  • Delta-built quality for reliable cooling

Caractéristiques

ModelEFB0405HA
ColorBlack
TypeFan only
Fan Size40mm
Bearing TypeBall
LEDNo

Questions sur cet article

How often should the ball-bearing fan be cleaned or replaced?

The ball-bearing design tolerates dust better than sleeve bearings, so a quick blast of compressed air every six months is usually enough; plan on a full fan swap only if noise or vibration appears after several years of continuous running.

What thermal limit is reached first when the cooler runs at full load for hours?

With a 5 V, 0.2 A rating the motor draws only 1 W, so the bearing temperature stabilises well below its rated maximum long before the tiny 40 mm frame can saturate its limited airflow.

How loud and hot does the 40 mm Delta fan get during all-day operation?

At 5 V the fan spins at a modest speed, producing a low-pitched hum that blends into background office noise while the housing stays barely warm to the touch after 24 hours.

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