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Small black rectangular case fan with wire connector

Fans

Fans 620-4337 922-8458 case fan for iMac 24" A1225 12V 4.2W

SKU CH-P2D0-KCR3G

Cooling fan for iMac 24" A1225 models from early 2008, 12 V 4.2 W

  • Direct replacement for iMac 24" A1225
  • Matches Apple part numbers 620-4337 and 922-8458
  • 12 V 4.2 W power specification
  • Designed for Early 2008 optical drive cooling

Original replacement fan for iMac 24-inch A1225

This 12V 4.2W case fan matches part numbers 620-4337 and 922-8458 for the Early 2008 iMac 24-inch model A1225. It serves as a direct replacement for the original optical drive cooling fan identified as B1275PKV1-A.

Capacity and headroom

The fan delivers 12V 4.2W cooling performance designed for the original thermal requirements of the 2008 iMac 24-inch system. It does not support higher-wattage configurations or later iMac models with different cooling architectures.

How it compares

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

Price $15.99
Cheaper than about 63% 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

Will the 12V 4.2W rating match the power header on my Early 2008 iMac 24" A1225?

Yes, the fan is rated at 12V and 4.2W, which matches the original Apple part numbers 620-4337 and 922-8458 for the optical drive cooler in that model.

How can I confirm the B1275PKV1-A fan is spinning correctly after installation?

After fitting the fan, listen for steady airflow near the optical drive bay and check that the system runs without thermal warnings under normal load.

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