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Small black 40mm square fan with two wires

OEM Industries

OEM Industries AD0412HB-D50 40mm Fan Only

SKU CH-M65W-W43H9

40 mm ball-bearing fan running at 12 V and 0.12 A with a two-wire connection

  • ColorBlack
  • TypeFan only
  • Fan Size40mm
  • Bearing TypeBall
  • LEDNo
  • Compact 40 mm square cooler fits tight builds
  • Ball bearing motor extends operational life
  • 12 V 0.12 A draw keeps power use low
  • Two-wire design simplifies motherboard connection
  • ADDA 4015 frame ensures precise component fit

Compact 40 mm Replacement Fan

The OEM Industries AD0412HB-D50 is a square 4015 fan unit built for tight cooling slots. It runs on 12 V at 0.12 A through a two-wire lead and uses a ball-bearing motor for steady rotation. The black frame matches standard industrial aesthetics.

Direct Swap for Worn 4015 Units

This model replaces an existing ADDA 4015 cooler that has become noisy or failed. The jump is worth it when the original two-wire connector matches and the 12 V rail is already present. No PWM control or tachometer signal is provided, so speed reporting stays unavailable.

Fits Confined Heatsink Stacks

The 40 mm square footprint slides into narrow fin arrays where larger fans cannot mount. Two-wire power draws from any 12 V header without extra adapters. Ball bearing construction reduces maintenance in vibration-prone chassis. Buyers needing PWM speed curves or a three-pin sense line should look elsewhere.

Points forts

  • Compact 40 mm square cooler fits tight builds
  • Ball bearing motor extends operational life
  • 12 V 0.12 A draw keeps power use low
  • Two-wire design simplifies motherboard connection
  • ADDA 4015 frame ensures precise component fit

Caractéristiques

ModelAD0412HB-D50
ColorBlack
TypeFan only
Fan Size40mm
Bearing TypeBall
LEDNo

Questions sur cet article

What are the mounting hole dimensions for the 40mm square cooler?

The square cooler measures 40mm by 40mm with a 15mm thickness, matching the ADDA 4015 form factor for standard 40mm mounting patterns.

How do I connect the two-wire fan to a motherboard header?

Plug the 2-wire connector into a 12V fan header; the fan draws 0.12A and has no PWM wire, so speed control is voltage-based only.

When should I replace the ball-bearing fan?

Replace the fan if bearing noise appears or airflow drops; the ball bearing design is rated for continuous 12V 0.12A operation.

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