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Small black square 40mm case fan with three wires

Fans

Fans MGT4012HB-R15 4015 12V 40x40x15mm 0.11A 3-wire ball case fan

SKU CH-24CB-SR5GS

Compact 40 mm square case fan with 12 V operation, 15 mm thickness and three-wire ball-bearing design

  • Compact 40×40×15 mm fits tight spaces
  • 12 V 0.11 A draws minimal power
  • 3-wire ball bearing enables speed monitoring
  • Quiet 4015 design keeps systems cool

Compact 40 mm case fan for tight builds

The Fans MGT4012HB-R15 is a 12 V ball-bearing fan measuring 40 by 40 by 15 mm. It draws 0.11 A through a standard three-wire connection and fits the 4015 form factor used in small chassis and industrial enclosures.

Suited for low-profile cases and replacement cooling

Buyers needing a compact 12 V fan with ball bearings will find this unit matches the 4015 footprint. Builders who require PWM speed control, higher airflow ratings, or larger frame sizes should consider other models.

How it compares

Measured against everything we stock in PC Cooling Fans, at today’s prices. Recalculated every night.

Price $17.99
Cheaper than about 57% of the 8,339 comparable items (median $19.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Does this 40 mm fan need a 3-pin fan header on my motherboard?

Yes, the three-wire connector plugs directly into a standard 3-pin fan header for power and speed reporting.

Will the 15 mm thickness fit in the same mounting holes as my old 40 mm fan?

The frame is 40 mm square and 15 mm thick, so it matches the common 40 mm mounting pattern used by many older fans.

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