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Black 40mm square cooling fan with ball bearing, 2-pin connector, no LED

OEM Industries

OEM Industries AFB0412MB 40mm 12V 0.13A 2-Pin Fan

SKU CH-5MQ9-PCADR

A 40 mm ball-bearing fan running at 6000 RPM with 28.5 dBA noise on a 12 V 2-pin connector

  • Fan size40 mm
  • Bearing designBall
  • Power input connector2 Pin
  • Product colorBlack
  • Product typeFan only
  • Compact 40 mm frame fits tight builds
  • 6000 RPM airflow moves heat quickly
  • 5 dBA noise stays low under load
  • Ball bearing design extends service life
  • 12 V 0.13 A draw keeps power use minimal

Compact 40 mm cooling fan for tight builds

This 40 mm square fan measures 15 mm thick and runs on 12 V at 0.13 A through a two-pin connector. The ball bearing design targets system integrators who need a slim airflow source for small-form-factor chassis or replacement cooling on legacy heatsinks.

Steady 6000 RPM airflow with 28.5 dBA noise

At the rated 6000 RPM the fan delivers continuous airflow rather than a brief burst, and the ball bearing maintains consistent speed during extended operation. The 28.5 dBA acoustic level stays predictable under sustained load because the bearing friction does not increase as the assembly warms.

Black frame with two-wire power and standard

The black plastic frame uses the industry-standard 40 mm screw pattern so it drops into existing fan mounts without adapters. The two-pin lead supplies power only, so speed control depends on the motherboard or controller varying the voltage rather than a PWM signal.

How it compares

Measured against everything we stock in CPU Coolers & Heatsink Fans, at today’s prices. Recalculated every night.

Price $17.99
Cheaper than about 60% of the 1,559 comparable items (median $19.99).
Fan size 40 mm
Lower than about 90% of the 812 comparable items (median 80 mm).

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Specifications

Product
Model nameAFB0412 MB
Product colorBlack
Product typeFan only
Power
Power input connector2 Pin
Size & build
Fan size40 mm
Bearing designBall
More details
LED lightingNo

Questions about this item

How loud is the AFB0412MB when it runs at 6000 RPM all day?

The fan produces 28.5 dBA at full speed, which is a quiet hum suitable for continuous operation in a desktop chassis.

What power connector does the AFB0412MB need from my system?

It uses a standard 2-pin 12 V header drawing 0.13 A, so any motherboard or fan controller with a 2-pin 12 V output will power it.

Will this 40 mm Delta fan fit the mounting holes on my older 40 mm heatsink?

Yes — the frame measures 40 × 40 × 15 mm, matching the industry-standard 40 mm mounting pattern used on legacy coolers.

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