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Small black 4 cm square cooling fan with dual ball bearing and power cable

Ruth's sister

Ruth's sister 1604KL-04W-B50 B59 4cm 4010 12V dual ball internal power cable

SKU CH-WHT8-XK77X

4 cm 12 V dual ball bearing server cooling fan with 4 cm internal power cable

  • 4 cm compact fan fits tight server chassis
  • 12 V dual ball bearing motor runs quietly
  • B59 airflow rating cools dense CPU loads
  • 4010 model code ensures correct replacement part

4 cm 12 V dual ball bearing fan

This 4 cm internal power cable assembly includes a 12 V dual ball bearing fan rated at 4010 RPM. The unit is designed for server cooling equipment where compact airflow is required. New condition ensures reliable operation from first installation. Model reference 1604KL-04W-B50 B59 identifies the specific variant.

Suits builders fitting 4 cm bays in dense server

Buyers needing larger frame sizes, different voltage ratings or alternative bearing types should look elsewhere. The fixed 4 cm dimension and 12 V supply limit compatibility to matching mount points and power headers. No other form factors or connector options are provided with this assembly.

How it compares

Measured against everything we stock in Internal PSU & Riser Cables, at today’s prices. Recalculated every night.

Price $12.99
Cheaper than about 60% of the 7,839 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

What power connector does the 12V dual ball fan need to run?

The fan requires a standard 12V power header on the motherboard or a compatible fan controller to operate.

Can the 4cm 4010 fan replace a louder sleeve-bearing unit in my older server?

Yes, the dual ball bearing design offers longer life and consistent airflow compared to older sleeve-bearing fans.

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