Thermaltakeusa » Thermaltakeusa


Heatsink Dimension	48(L) x 40(W) x 70(H) mm
Heatsink Material	Copper
Heat Spreader	----
Thermal Module	----
Fan Dimension	40 x 40 x 10 mm
Fan Speed	4500 ± 10% RPM
LED Fan	Blue LED Fan
Max. Air Flow	3.47 CFM
Max. Air Pressure	1.61 mm H2O
Noise Level	19 dBA
Power Connector	3-pin
Rated Voltage	12 V
Started Voltage	7 V
Rated Current	0.1 A
Power Input	1.20 W
MTBF	30,000 Hours
Compatibility	Northbridge & Southbridge Chipsets
Weight	169 g

Front View

Side View

Angle View

Rear View

Reviewed by Thinkcomputers

So how does the Extreme Spirit II perform? It took my NB idle temp from 34C to 28C, and load temp from 43C to 32C. With my CPU overclocked about 20%, load temp went from 49C to 36C. The fan is totally silent, and has a nice blue glow ..

December 18, 2007

Previous Next

Name	Type	Size	Release Date	Description
		901708	05/12/2008

Why is copper based heat sink better than aluminum based solution?

The short answer to the question is the fact that copper conducts heat better than aluminum. Engineers utilize thermal conductivity (W/m*K) value to measure the effectiveness of a material. In this case, copper has a thermal conductivity of ~401 W/m*K and aluminum is ~237 W/m*K. To put it in perspective, wood has a thermal conductivity value of 0.04 ~ 0.4 W/m*K and concrete is 1.7 W/m*K, that is why wood does not get quiet as hot as concrete on a hot sunny day.