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CoolColJ
 Post subject: Nofan fanless CPU heatsink
PostPosted: Wed Jul 11, 2012 12:44 am 
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Joined: Thu Jul 10, 2003 11:58 pm
Posts: 295
Location: Australia
http://www.pcpro.co.uk/reviews/desktops ... -silent-pc

That's a big fanless heatsink - but not much surface area - cooling an i5-2500K

Quote:
That cooler does more than only eliminate noise. The Core i5-2500K idled at 36°C, and under full load from our benchmarks rose to a comfortable 75°C. That’s nowhere near its thermal limit, and lower than we see from many actively cooled processors.


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lapon
 Post subject: Re: Nofan fanless CPU heatsink
PostPosted: Fri Jul 13, 2012 6:52 am 
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Joined: Thu May 31, 2012 8:09 am
Posts: 31
Location: Stony Brook, NY
Interesting! Takes up a lot of volume though, but with a few good case fans will probably work well. Wish those wires were all heatpipes!

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xan_user
 Post subject: Re: Nofan fanless CPU heatsink
PostPosted: Fri Jul 13, 2012 10:09 pm 
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Joined: Sun May 21, 2006 9:09 am
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Location: Northern California. Way too close to 101.
looks like a lot of surface area to me...

would love for SPCR to get their hands on that for some real testing!

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edh
 Post subject: Re: Nofan fanless CPU heatsink
PostPosted: Sat Jul 14, 2012 2:04 am 
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Posts: 966
Location: UK
Looking at the size of the thing I can't help but feel that similar performance with negligible noise could be managed by installing an open framed axial fan in the centre of the cooler. It would then work something like an oldschool Zalman flower cooler. I'm sure that spinning such a fan at only 300rpm would make less noise then the buzzing components elsewhere in the system. Fully passive misses the point if you still have component buzz to put up with.

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