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Small black 40mm square case fan with center label

Fans

Fans U40X12MLZ7-53 4010 4cm 12V 0.05A case fan

SKU CH-A4AC-KBZ5N

40 mm 12 V silent case fan draws 0.05 A for compact cooling

  • Silent operation from NIDEC engineering
  • 12 V power at only 0.05 A draw
  • Compact 40 mm frame fits tight spaces
  • Model U40X12MLZ7-53 identifies exact replacement

NIDEC U40X12MLZ7-53 4010 silent case fan

This 40 mm 12 V fan draws only 0.05 A while delivering quiet airflow for tight chassis spaces. The NIDEC motor design keeps acoustic output low without sacrificing reliability. It fits standard 4010 mounting holes found on many small-form-factor boards and industrial appliances. Buyers who need higher static pressure or larger frame sizes should look elsewhere.

Direct replacement for worn 4010 units

Swapping a noisy original with this model restores the intended thermal curve and eliminates bearing rattle. The jump is worth it when the existing fan has failed or developed audible whine that cleaning cannot fix. Systems that require PWM speed control or dual-ball bearings will not be served by this two-wire design.

How it compares

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

Price $10.99
Cheaper than about 90% 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

What are the mounting hole dimensions for the 4010 fan?

The 4010 fan uses a standard 40 mm square frame; mounting holes are spaced for 40 mm centres.

How do I connect the 12V 0.05A fan to the motherboard header?

Align the three-pin connector with the 12 V header, press straight down until the latch clicks, and route the cable clear of the blades.

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