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Square 40 mm case fan with black frame and transparent blades, three-wire connector

Fans

Fans 4cm Hydraulic Bearing Silent Fan YY4010H12S 3P 40x40x10mm 12V 0.72W

SKU CH-1RDH-AM179

A 40 mm hydraulic-bearing case fan runs on 12 V and draws 0.72 W

  • Hydraulic bearing reduces friction for quieter operation
  • 40 mm square frame fits tight 4010 form-factor slots
  • Three-pin 12 V connector enables simple motherboard control
  • Low 0.72 W draw keeps system power budget minimal

Compact 4 cm case fan for tight builds

This 40 mm square fan fits small-form-factor cases and server chassis where space is limited. The hydraulic bearing reduces friction for quieter operation than sleeve alternatives. A three-pin connector provides simple voltage control on most motherboards. It suits builders who need basic airflow in confined layouts.

Low power draw and quiet running

At 12 V the unit consumes 0.72 W, adding minimal load to the power supply. Hydraulic bearing construction keeps acoustic output low during normal use. The 10 mm thickness allows installation in shallow mounts without blocking adjacent components. Buyers needing PWM speed curves or higher static pressure should consider other models.

How it compares

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

Price $14.99
Cheaper than about 67% 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

How do I install the 40 mm hydraulic-bearing fan and which step is often missed?

Mount the 40×40×10 mm frame with four screws, connect the three-pin plug to a 12 V header, and check the wire order — reversing the sense lead is the step most people miss.

What maintenance will the YY4010H12S need later?

The hydraulic bearing is sealed; just blow dust off the blades every few months — no lubrication or bearing replacement is required.

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