Lainaus:

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At 2700 RPM, this fan spins some 2.5 times faster than the Nexus 120 at 12V (and most of the other 120mm fans in the table). It also generates more than double the CFM, according to our measurements. It makes enough noise to give most SPCR enthusiasts a headache in a couple of minutes.

What was the CPU temperature achieved by this high airflow fan?

41°C. Exactly the same temperature reached by most of the 120mm fans at 1100 RPM.

What this tells us is that for this combination of CPU, load, and heatsink, the airflow of an 1100 RPM 120mm fan matches the rate of thermal conduction from CPU to heatsink fins. This is why increasing the airflow does not decrease the CPU temperature. The increased fan speed does not change the ability of the cooling system to conduct the heat any faster to the fins. Only if the heat of the CPU was increased or the fin area of the heatsink expanded would the increased airflow result in a change.

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Lainaus:

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todennäkösesti sen sais patentoituu siihen kiinni kyl jotenkii.. ainakii twin turbo käy pienin modauksin 5870:aan, muistan jostain lukeneeni..

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