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Small black 40 mm ball-bearing fan with two-pin connector

OEM Industries

OEM Industries AD0412XB-C51 40mm 2-Pin Ball Bearing Fan

SKU CH-193F-8X5PT

40 mm ball-bearing cooling fan with a 2-pin 12 V 0.20 A power connector

  • ColorBlack
  • TypeFan only
  • Fan Size40mm
  • Bearing TypeBall
  • Power Connector2 Pin
  • LEDNo
  • Compact 40 mm frame fits tight spaces
  • Ball bearing design extends operational lifespan
  • 12 V DC power suits standard motherboard headers
  • Two-pin connector enables simple plug-and-play install
  • 20 A draw keeps energy use low

Compact 40mm Cooling Fan

The OEM Industries AD0412XB-C51 is a 40mm DC fan designed for tight spaces inside a chassis. It runs on 12V power and draws 0.20A through a simple 2-pin connector. The ball bearing construction targets continuous operation in industrial or embedded systems.

Replaces Worn Sleeve-Bearing Units

When an original 4020 fan develops noise or stalls, this model drops in as a direct mechanical swap. The jump is worth it if the existing mount matches the 40mm footprint and the header supplies 12V on two pins. It does not suit builds that need PWM speed control or a third monitoring wire.

Handles Restricted-Airflow Zones

The small frame fits narrow ducts, router enclosures and legacy CPU coolers where larger rotors cannot install. It provides steady airflow for low-heat components but runs out of capacity on modern high-TDP processors or multi-GPU setups that demand higher static pressure.

Points forts

  • Compact 40 mm frame fits tight spaces
  • Ball bearing design extends operational lifespan
  • 12 V DC power suits standard motherboard headers
  • Two-pin connector enables simple plug-and-play install
  • 20 A draw keeps energy use low

Caractéristiques

ModelAD0412XB-C51
ColorBlack
TypeFan only
Fan Size40mm
Bearing TypeBall
Power Connector2 Pin
LEDNo

Questions sur cet article

What are the mounting dimensions for the AD0412XB-C51 40mm fan?

The fan measures 40mm square with a standard 4020 frame, so it fits any 40mm mounting pattern using four corner screw holes.

How do I connect the 2-pin power connector on this ADDA fan?

Plug the two wires directly onto a 12V 2-pin header; the connector is keyed to prevent reverse polarity, so align the notch before pressing it home.

When should the ball bearings in the AD0412XB-C51 be replaced?

Ball bearings typically run for years at 0.20A load; replace the fan if noise increases or rotation becomes uneven.

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