Testsystem and testroutine

Testsystem

Mainboard	Gigabyte X48-DS5
Processor	Intel Core 2 Quad QX6800
Memory	Kingston KHX 8500 D2K2 DDR2
Hard disk	Maxtor 160 GByte
Power supply	OCZ 520 Watt
Thermal grease	Arctic Silver 5

Testroutine

In our tables we mention absolute temperatures as well as the temperature difference between CPU core and environment temperature. We further provide subjective information about the noise level of the fan the cooler comes with.

The noise level we classify as follows: very silent, silent, audible, noisy and very noisy.

The CPU temperature we evaluate with Real Temp and with Prime95 we reach a 100% CPU load.

Futher we test the different fans with different voltages and under different conditions. After one hour warm-up we perform three test runs where every single one takes one hour:

• Standard clock 12 volts load
• Standard clock 6 volts load
• Overclocking 12 volts load

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