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-   -   what heatsink (https://www.madshrimps.be/vbulletin/f10/what-heatsink-4018/)

TeuS 9th February 2004 21:56

what heatsink
 
soon I'll put my Linux machine back together. I'm wondering what heatsink I should use. I've used my SLK800 before, with a silent 7V fan the CPU got pretty hot: stock speed +40 idle, stressed: dunno. stressed, a temp probe between some fins of the SLK reported 44°

I'm using a Koolance case. the PSU is 300W and has a silent fan at 5v (pretty close to unhearable).

I've got two heatsinks available: my stock 2500+ heatsink with copper base and a V7+ heatsink. both will be used with 60-80mm fan adapter. I'll put a few casefans in the machine, but they'll only push very little airflow. same goes for the CPU fan, it used to be 7V but now I want to give it only 5Volt

so, what HS performs best with little airflow? I think the 2500+ heatsink, because copper heatsinks need a LOT of airflow to work properly... copper doesn't give away like aluminium does

[Bonbon] 9th February 2004 22:07

i would think de aluminium one , but test it , its not too much work is it ?

TeuS 9th February 2004 22:07

actually it is :/

I don't want to test the heatsinks, compare them and take everything apart every time

[Bonbon] 9th February 2004 22:08

then take the risk , take the alu :)

Vulk 9th February 2004 22:16

I shouldn't doubt about it. The stock amd heatsink has a copper base and alu fins so it should perform better with a less performant fan.

wutske 9th February 2004 22:27

The stock HS will prolly work better, because there is more distance between the fins so there's no need for high CFM to get the air at the base.

FreeStyler 9th February 2004 22:50

true go with the heat dissapation of the alu.

Da_BoKa 10th February 2004 17:53

copper takes absorbes the heat much better but alu can give away the heat better
so take te alu one, and same reason like HardFreak

Laagvliegerke 10th February 2004 22:38

Quote:

Originally posted by Da_BoKa
copper takes absorbes the heat much better but alu can give away the heat better
so take te alu one, and same reason like HardFreak

Actually, according to my lessons physics, that isn't true.
I think the copper will perform better because it has more fins. And I think it will even perform better with the fan-adapter. Just my 2 cents.

TeuS 10th February 2004 22:47

Quote:

Originally posted by Laagvliegerke

Actually, according to my lessons physics, that isn't true.
I think the copper will perform better because it has more fins. And I think it will even perform better with the fan-adapter. Just my 2 cents.

well, that's what most people say. I'm going with the alu, copper needs a lot of airflow to cool well


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