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Small black square 40mm DC case fan with three wires

Fans

Fans 109P0424H6D03 4020 24V 0.07A 40mm case fan

SKU CH-XR88-HJJJZ

A 40 mm DC case fan running at 24 V and 0.07 A with a three-wire connector

  • Compact 40 mm frame fits tight spaces
  • 24 V 3-wire DC motor runs on standard server rails
  • Low 0.07 A draw reduces power load
  • 20 mm slim profile clears low-profile coolers

40 mm 24 V DC case fan

This 40 mm square fan runs on 24 V DC and draws 0.07 A through a three-wire connection. It fits the 4020 form factor with a 20 mm thickness for tight chassis spaces. The unit is supplied new and ready for direct installation.

Replaces louder or failed 40 mm fans

The three-wire design provides speed monitoring but not PWM control, so it suits builds that accept constant voltage regulation. Buyers who need variable speed via four-pin PWM or a different voltage rail should look elsewhere.

How it compares

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

Price $17.99
Cheaper than about 57% 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 are the exact mounting dimensions for the 109P0424H6D03 fan?

The fan measures 40 mm by 40 mm and is 20 mm thick, so it fits standard 40 mm mounting holes with a 20 mm depth clearance.

How do I connect the three-wire lead to a 24 V DC source?

Connect the red wire to 24 V, the black wire to ground, and the yellow wire to a tachometer input; reversing polarity will prevent the fan from spinning.

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