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Small black square case fan 40 by 40 by 28 mm with three wires

Fans

Fans FFB0412VHN-4E73R 4028 4cm 12V 0.24A case fan

SKU CH-YZB0-C000C

A 40 × 40 × 28 mm case fan running on 12 V with a 0.24 A three-wire connection

  • Compact 40 × 40 × 28 mm fits tight builds
  • 12 V 0.24 A keeps power draw low
  • Three-wire design enables speed monitoring
  • New condition ensures reliable operation

FFB0412VHN-4E73R 40 mm case fan

The FFB0412VHN-4E73R is a new 40 mm square case fan designed for 12 V operation. It suits builders fitting a compact 40×40×28 mm slot in a small-form-factor chassis or replacement cooling for legacy hardware. The three-wire lead provides tachometer feedback for speed monitoring.

Three-wire 12 V specification

The fan runs at 12 V with a rated current of 0.24 A and uses a three-line connector for power, ground and speed signal. Buyers who need a two-pin or four-pin PWM interface should choose a different model. The 4028 frame size limits use to mounting holes spaced for 40 mm centres.

Highlights

  • Compact 40 × 40 × 28 mm fits tight builds
  • 12 V 0.24 A keeps power draw low
  • Three-wire design enables speed monitoring
  • New condition ensures reliable operation

Specifications

No published specifications for this item yet.

Questions about this item

How much current does the 12 V fan draw once it is running in the case?

The fan is rated at 0.24 A on the 12 V rail, so that is the steady-state current it will add to your power budget.

What does the three-line connection provide for this 40×40×28 mm fan?

The three wires give you a 12 V supply, ground and a tachometer signal so the motherboard can monitor the 4028 model’s speed.

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