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Small square 4020 case fan with black frame and two wires

Fans

Fans 4020 4CM cooling fan 12V 1.1W KD1204PKB1 2wire

SKU CH-3T76-EQE8T

12 V case fan delivers 1.1 W cooling in a compact 4020 frame with two-wire power

  • Compact 40 mm frame fits tight spaces
  • 12 V supply powers the motor directly
  • Low 1.1 W draw keeps energy use minimal
  • Two-wire connection simplifies installation

Compact 40 mm case fan

This 40 mm case fan runs on 12 V and draws 1.1 W through a two-wire connection. It is built for tight enclosures where a standard 120 mm unit will not fit. The KD1204PKB1 model suits embedded PCs, small-form-factor builds and replacement cooling in legacy hardware.

Sustained airflow in confined spaces

Under continuous load the fan maintains steady rotation without speed spikes. The two-wire design means voltage control is the only regulation method, so RPM scales directly with supply voltage. Builders needing PWM signalling or tachometer feedback should choose a different connector type.

Highlights

  • Compact 40 mm frame fits tight spaces
  • 12 V supply powers the motor directly
  • Low 1.1 W draw keeps energy use minimal
  • Two-wire connection simplifies installation

Specifications

No published specifications for this item yet.

Questions about this item

How loud and hot does the 12 V KD1204PKB1 run after hours of continuous use?

The fan draws 1.1 W at 12 V, so heat output stays low and noise remains modest during all‑day operation.

What connector or header does the 2‑wire KD1204PKB1 need on my motherboard?

It uses a simple 2‑wire lead that plugs into any standard 12 V fan header or molex adapter.

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