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Small black 4cm cooling fan with two wires and magnetic bearing

TSUJ

TSUJ Kepler-C72J-OYS-0395 2 in 1 accessory

SKU CH-78GZ-ASRR1

A 12 V, 1.0 W magnetic-bearing fan provides silent 4 cm cooling for 2-in-1 devices

  • Key featuresDC12 V 1.0 W KDE1204PFV2 4010 4 cm 2-wire magnetic bearing s
  • DC12V 1.0W power draw keeps energy use low
  • KDE1204PFV2 model code identifies the exact replacement part
  • 4010 4cm size fits standard 40 mm mounting holes
  • 2-wire magnetic bearing runs quietly for longer life

TSUJ Kepler-C72J-OYS-0395 cooling accessory

This TSUJ accessory integrates a DC12V 1.0W KDE1204PFV2 4010 fan with a magnetic bearing for silent operation. The 4 cm two-wire unit suits 2-in-1 laptops requiring compact active cooling. It draws minimal power while targeting thermal hotspots in confined chassis. Builders working on small-form-factor projects can use it as a supplemental airflow source.

Practical limits of the two-wire DC interface

The two-wire connection supplies power only, so speed reporting or PWM control is unavailable. Voltage is fixed at 12 V, preventing software fan curves or automatic thermal response. Magnetic bearing life assumes continuous operation within rated current. Systems lacking a 12 V header cannot power the fan without an adapter. Noise stays low but cannot be reduced further via software.

How it compares

Measured against everything we stock in 2-in-1 Device Accessories, at today’s prices. Recalculated every night.

Price $17.99
Cheaper than about 96% of the 7,473 comparable items (median $56.99).

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Specifications

Product
Brand nameTSUJ
Part numberKepler-C72J-OYS-0395

Questions about this item

What does the Kepler-C72J-OYS-0395 part number identify?

It identifies this specific 4 cm, 2-wire magnetic bearing silent cooling fan rated at DC 12 V and 1.0 W.

What does the 1.0 W rating mean when the fan is installed?

It means the fan draws 1.0 watt from a 12 V supply, providing quiet magnetic-bearing airflow for a 4010-size chassis slot.

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