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Best passive heatsink

post #1 of 12
Thread Starter 
Looking for a passive heatsink for a specialty build for a low voltage cpu. which performs the best regardless

Scythe Ninja 3
Prolimatech Super Mega
Thermalright Archon
Scythe Mugen 2 Rev B
Noctua NH-U9B
Thermalright HR-02 Macho
Prolimatech Genesis
Thermalright Silver Arrow
Noctua NH-D14
Edited by calvinbui - 7/30/11 at 6:12am
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post #2 of 12
Why not just the regular Thermalright HR02? The Macho is a cheaped out version if anything.

If it must be from your list, I'd say the Prolimatech Super Mega, seeing as the normal Megahalems works as a passive heatsink in a pinch smile.gif

Overall I'd take the regular HR02, not the Macho. Then the Super Mega

edit:
Quote:
Originally Posted by JonnyFenix;14402296 
Stock is your best. All of these are overkill for a low watt cpu.

Not sure if serious. A cheap tiny heatsink with no airflow as a passive cooler... derp?
Edited by Munkypoo7 - 7/30/11 at 6:21am
    
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post #3 of 12
Stock is your best. All of these are overkill for a low watt cpu.
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post #4 of 12
I would say don't go completely passive, just get a really good passive sink, and put a very low speed fan on it, so that it is not audible.

When it comes to passive, you want the biggest sink possible. i think one of the best passive sinks is the thermalright HR-02.
Match that with an ultra low speed fan just to have a little air movement and you have a winning combination.
post #5 of 12
http://www.vortez.net/articles_pages/thermalright_silver_arrow_cpu_cooler_review,8.html

This review mentions both the NH-D14 and Silver Arrow with passive temperatures when using a stock and overclocked processor. (For the life of me I can't find the cpu named in the review but stock is 2.66ghz. Which I believe in this review is an i5 or i7)

The HR-02 series is designed to be run passive. The Macho I think loses a bit of punch compared to the original HR-02 but with a low voltage processor I don't see you having any issues.

I think at the least with a low voltage processor you run the big ones passively but cost will be a bit prohibitive on the bigger ones naturally. (Silver Arrow, NH-D14, Genesis, Super Mega, Archon, Mugen 2)

What's the TDP of the processor you're cooling? Is a fan completely out of the question?

Even a fan running at say 5v will aid cooling a lot and be inaudible. Regarding that Silentpcreview has reviews of the Silver Arrow, Genesis, NH-D14, Mugen 2, Megahalems (similar to the mega) and Ninja 3. They're experts on the subject and you can easily google for any of those reviews smile.gif.
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post #6 of 12
Quote:
Originally Posted by Munkypoo7;14402286 
Why not just the regular Thermalright HR02? The Macho is a cheaped out version if anything.

Except that the Macho outperforms the regular HR-02.
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post #7 of 12
Thread Starter 
well there will be a 120 case fan near by so it's not completely fanless so to speak
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post #8 of 12
Quote:
Originally Posted by BababooeyHTJ;14402438 
Except that the Macho outperforms the regular HR-02.

I believe the Macho loses to the HR-02 if you're comparing the two passively. But naturally the Macho beats the HR-02 with stock configurations because it comes with a fan.

I can't seem to find the review that compared the two passively though.
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post #9 of 12
Quote:
Originally Posted by calvinbui;14402452 
well there will be a 120 case fan near by so it's not completely fanless so to speak

The HR-02/Macho is angled a bit away from the processor so if you have a 120mm close to it (likely the exhaust fan) you can mount it pretty close to that fan which would help it out.

If you can though, it really helps to have a fan on the cpu cooler, even if you're running it at super slow speeds and it won't add to the noise level of the system.
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post #10 of 12
Quote:
Originally Posted by Siegfried262;14402464 
I believe the Macho loses to the HR-02 if you're comparing the two passively. But naturally the Macho beats the HR-02 with stock configurations because it comes with a fan.

I can't seem to find the review that compared the two passively though.

How are you guys coming to the conclusion that the original out performs the Macho without any evidence to back up those claims? You might be right but even if it does I doubt that it would be by much at all. Would that be worth the $30 extra dollars for the normal hr-02?
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