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Small square 40mm cooling fan with two wires

TSUJ

TSUJ 2 in 1 accessory ultra-quiet fan 4020 40mm 4cm DC 12V 0.6W 2Wire Cooling Fan

SKU CH-KSXJ-ES8WC

40 mm DC 12 V 0.6 W two-wire cooling fan for 2-in-1 devices

  • Key features1pcs HA40201V4-0000-999 ultra-quiet fan 4020 40 mm 4 cm DC 1
  • Ultra-quiet operation keeps noise low
  • 12 V DC power suits many 2-in-1 systems
  • Low 0.6 W draw reduces energy use
  • 40 mm frame fits compact cooling slots

TSUJ 40 mm 12 V ultra-quiet cooling fan

This TSUJ 4020 fan measures 40 mm square and runs on 12 V DC power while drawing only 0.6 W. The two-wire connection keeps wiring simple for tight spaces. It is built as a replacement or upgrade for compact 2-in-1 laptops and similar small-form-factor devices.

Fits 40 mm mounts with two-wire 12 V headers

The fan slots into any 40 mm mounting pattern that supplies a 12 V two-pin header, so it works with existing cooling assemblies without adapter cables. Its low 0.6 W draw leaves more power budget for the main system components. Buyers needing higher airflow, larger frame sizes or PWM speed control will need a different solution.

How it compares

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

Price $11.99
Cheaper than about 98% of the 7,473 comparable items (median $56.99).

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Specifications

Product
Brand nameTSUJ
Part numberKepler-C72J-OYS-0796

Questions about this item

What is the maximum power the 0.6 W fan draws under continuous load?

The fan is rated at 0.6 W, so sustained operation will not exceed that power draw.

How much noise and heat does the 40 mm 12 V fan add during all-day use?

At 0.6 W the 40 mm fan is described as ultra-quiet and adds minimal acoustic and thermal load during continuous operation.

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