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CPU Fan?

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5 replies

by jrbigsky Feb 24, 2003 last reply May 25, 2003

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Have a pentium ...(1.4 ) and 400 bus speed.
has std heatsink and 60mm fan fan is a DC fan
D60BH-12B Yate Loon..RU TUVCE 12v 1.9A
anyway they the fans don't last long at all bought a 60-80mm fan adapter and need to know the min size80mm fan to install..output and RPM...any ideas want to be sure I use right size

5 replies

by thechas Feb 24, 2003

The important factor for a CPU fan, is CFM, and reliability.

If you want the fan to last a while, find a Pabst, Panasonic, EBM, or Rotron fan.

32 to 60 CFM should do the job.

The slower the RPM, the quieter the fan.
Most PC health monitor systems require a minimum of 2000 RPM to acknowledge that the fan is running.
So, 3500 to 5000 RPM should do the job.

1 trick to improve fan life, is to have the fan blow down onto the CPU heat-sink instead of sucking the air off of the heat-sink.
That way, the fan motor and bearings are always in cool air.

Chas