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SPIRE DIAMONDCOOL II COOLER - SPIRE DIAMOND COOL 2 PERFORMANCE TEST TEMP


           

Spire DiamondCool II Cooler - Spire Diamond Cool 2 performance test temp
Posted:2006-04-29 By harwdare review
Number of View:5299




SPIRE DIAMONDCOOL II COOLER -

SPIRE DIAMOND COOL 2 PERFORMANCE

TEST TEMP



By :harwdare review

Posted:2006-04-29






xtreview is your : Video card - cpu - memory - Hard drive - power supply unit source

Spire DiamondCool II Cooler - Spire Diamond Cool 2 performance test temp



Spire DiamondCool II Cooler -

Spire Diamond Cool 2 performance test temp

This cooler is meant exclusively for AMD processors, so I had no installation-related problems with it.

Spire DiamondCool II Cooler

Specification

Spire SP 741B3 DiamondCool II

Socket

Socket 754 / 940 / 939

Compatibility

Any contemporary AMD processors

Heatsink dimensions

89 x 80 x 53 mm (L x W x H)

Detailed description

Blue transparent fan (glows in UV light)
four heatpipes
55 aluminum plates 0.4mm thick
8.5mm copper sole

Fan

80 x 25 mm

Fan rotation speed

2400 RPM +/-10%

MTBF

50 000 h

Bearings

Frictionless bearing

Current

0.2 A

Power

2.4 W

Air flow

41.15 CFM

Noise

21 dBA

Thermal resistance

0.285o C/W

 

I should confess the specs are not very precise because they belong to the SP741B3 model (its characteristics are listed on the manufacturer’s website) while we’ve got a sample of the SP741B3-U model for our tests. The fan was rotating at about 2100rpm as reported by the mainboard’s monitoring tools instead of the expected 2400rpm. The noise, performance and other characteristics may be different, too.

Spire DiamondCool II Cooler

There are now four heat pipes taking heat away from the cooler’s base

Spire DiamondCool II CoolerSpire DiamondCool II Cooler

A large fan tops the whole arrangement.

Spire DiamondCool II CoolerSpire DiamondCool II Cooler

It’s the first time I see a cooler’s base that thick!

Spire DiamondCool II Cooler

The manufacturer says it’s an advantage, but I’m not so enthusiastic about that. The purpose of the base is to make the heatsink robust, so it must have a certain thickness. Heat is to be transferred to the heatsink’s plates to be distributed in as large an area as possible, and this calls for a rather thick base, too. But in this case the heat from the processor is transferred to the plates not only directly from the base but also via as many as four heat pipes. In such a thick base there is a big difference between the temperatures of the bottom and top surfaces, and the pipes that have contact with the top surface do not work as efficiently as they could if they were placed closer to the processor core. Do not forget that the thickness of the processor’s heat-spreading plate adds up to the thickness of the cooler’s base!

How the base is finished is important, too, and the base of the Spire DiamondCool II lacks any polish at all.

Spire DiamondCool II Cooler

As a result, the Spire DiamondCool II could only help overclock the AMD Athlon X2 64 3800+ processor to 2.6GHz, and the CPU temperature rose to an alarming 73°C

 

 







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