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Small square 40 by 40 by 20 mm 12V fan with three wires

Fans

Fans 40x40x20mm 12V 0.12A 3-wire Server Square Fan

SKU CH-KH94-6TVBC

Compact 40×40×20 mm 12 V server fan with three-wire speed monitoring

  • Compact 40×40×20 mm footprint fits tight server bays
  • 12 V DC input matches standard PSU rails
  • 12 A draw keeps power budget low
  • 3-wire connector enables RPM monitoring

Compact 40 mm server fan

This 40 mm square fan runs on 12 V and draws 0.12 A through a three-wire connection. It measures 40 mm by 40 mm by 20 mm and is supplied in new condition. The unit is designed for server and compact enclosure cooling.

Ideal for tight 40 mm mounts

Suits builders who need a low-profile 12 V fan for small chassis or server bays. Not for buyers who want larger frame sizes, higher airflow ratings or PWM speed control.

How it compares

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

Price $13.99
Cheaper than about 70% 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

What voltage header does the fan need on my motherboard or controller?

The fan runs on a 12 V supply, so it requires a standard 12 V fan header or a compatible 12 V PWM/DC header on the motherboard or fan controller.

Will the 40 mm square frame fit the same mounting holes as my old 40 mm fans?

Yes, the fan measures 40 mm by 40 mm with a 20 mm thickness, matching the standard 40 mm square mounting pattern used by most 40 mm case and server fans.

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