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Looking for a fanless (passive cooling) heatsink that can fit into Lian Li PC-Q07 Case

post #1 of 17
Thread Starter 
The height limit should be rough equivalent to a low-profile compatible intel stock cooler w/ fan (i mean the heatsink that come with 2100T or so.

The budget should not be a concern for me. As long as it can be fitted into the PC-Q07, plus worldwide shipping is available (i live in Hong Kong, if available in HK local dealer it would be ideal) it would be fine, within the above constraint, i am looking for THE BEST (the coolest), and prepared to pay a premium for it if necessary.

Any suggestion is appreciated.
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post #2 of 17
post #3 of 17
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post #4 of 17
Scythe SCSK-1100= 64mm Height

Scythe SCBSK-2000 BIG Shuriken=58mm height

Scythe SCBSK-2100=58mm

SCYTHE Kozuti=40mm

Zalman CNPS8000B=66mm


Limit Case: 70mm
http://www.lian-li.com/v2/en/product/product06.php?pr_index=319&cl_index=1&sc_index=25&ss_index=63&g=spec

Let me see the peformance

I think big shuriken 2000/Thermalright AXP 140 RT are the best

PD: Big shuriken can handle OCed cpu to 4.4GHz

http://www.hitechlegion.com/reviews/cooling/heatsinksfans/14334-scythe-big-shuriken-2-lp-cooler-review?start=5
Edited by PontiacGTX - 3/30/12 at 5:47pm
post #5 of 17
Thread Starter 
Quote:
Originally Posted by PontiacGTX View Post

Scythe SCSK-1100= 64mm Height

Scythe SCBSK-2000 BIG Shuriken=58mm height
Scythe SCBSK-2100=58mm
SCYTHE Kozuti=40mm
Zalman CNPS8000B=66mm
Limit Case: 70mm
http://www.lian-li.com/v2/en/product/product06.php?pr_index=319&cl_index=1&sc_index=25&ss_index=63&g=spec
Let me see the peformance
I think big shuriken 2000/Thermalright AXP 140 RT are the best
PD: Big shuriken can handle OCed cpu to 4.4GHz
http://www.hitechlegion.com/reviews/cooling/heatsinksfans/14334-scythe-big-shuriken-2-lp-cooler-review?start=5

Thanks for the input. However i am more concerned about the performance under fanless condition. As some heatsinks are optimized to work with high speed fan, while some are optimized for low speed/fanless operation. The bottom line is, i don't think the Big Shuriken can keep the CPU temp at bay, if it operates completely fanless(no cpu fan, no case fan or even PSU fan whatsoever), OCed to 4.4Ghz, at 30C ambient temp.

Perhaps out of topic, is it feasible to use a quad core (such as a 77W ivy) in such setup?My new setup is not finalized yet. I want to build a totally fanless system (the PSU would be something like Seasonic 460FL) around a PC-Q07, while achieving the maximum CPU power possible (and yes, i can live with IGP of the latest intel offer)
Edited by INGRAMLI - 3/30/12 at 7:18pm
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post #6 of 17
If you're going fanless, i doubt anything that small would handle an i5, maybe at stock speeds, but not sure. Your best bet temp-wise would be an i3. Decent enough performance (i praise my own i3), not as high TDP, and it has IGP. Only downside would be a lack of OCing capabilities, but going fanless and OCing do not go too well.

The best truly passive heatsinks are huge to increase the contact surface, like the Thermalright Macho. Anything small like what you're aiming would take either way too much room inside the case (if you find any passive heatsink that is thin but hella wide) or just would not fit due to the height.

Your best bet would be a thin cooler like the Thermalright AXP-140 RT or the Scythe Big Shuriken 2 paired with a darned good undervolted fan, like an Gentle Typhoon AP-12.
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post #7 of 17
Quote:
Originally Posted by INGRAMLI View Post

Thanks for the input. However i am more concerned about the performance under fanless condition. As some heatsinks are optimized to work with high speed fan, while some are optimized for low speed/fanless operation. The bottom line is, i don't think the Big Shuriken can keep the CPU temp at bay, if it operates completely fanless(no cpu fan, no case fan or even PSU fan whatsoever), OCed to 4.4Ghz, at 30C ambient temp.
Perhaps out of topic, is it feasible to use a quad core (such as a 77W ivy) in such setup?My new setup is not finalized yet. I want to build a totally fanless system (the PSU would be something like Seasonic 460FL) around a PC-Q07, while achieving the maximum CPU power possible (and yes, i can live with IGP of the latest intel offer)

ok there is i3 3225(55w tdp) with HD4000 I think but int he other side if you want more cpu than IGP i5 3570T(45w tdp),3470T(35w tdp) and i7 3770T(45w tdp) these also have HD4000 which is compared to HD 6550D but 6550D is faster but ivy`s igp is the best for intel right now
post #8 of 17
Thread Starter 
Thanks for all inputs, rep added.
So the space constraint of PC-Q07 seems to be the bottleneck for achieving cooling of powerful computing .

I can buy a used Q07 cheaper from my friend, however if necessary, i do also have another alternative,
http://www.lian-li.com/v2/en/product/product06.php?pr_index=582&cl_index=1&sc_index=25&ss_index=63&g=spec

the above case (PC-V353) will allow a maximum of 105mm height heat sink to be installed, plus better airflow design(more holes around the case). The question is, will the extra 35mm make a world of difference in cooling efficiency, and will the choice of the cooler be different compare to 70mm maximum?
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post #9 of 17
Well, you would be able to find more coolers, 30mm do make a difference. But still, unless you do find a wider-than-taller heatsink, i'd say it's not worth it.

Most true fanless coolers are very tall, the Nofan CR-95C IcePipe is 148mm high, the Thermalright Macho is 140mm high, Scythe Ninja 3 Rev.B is 152mm. Heck, even QuietPC only has one truly fanless heatsink on all their repertoire, the nofan one (which isn't too bad according to a couple reviews, but it is still tall).

The only one that does spring to mind might be the SilverStone Nitrogon NT06-E, but even they advise to use a fanned PSU to assist with the cooling.

EDIT: hell, even the biggest brick i know, the Scythe Susanoo is 160mm tall. It's wide as hell though. Another option would be the Samurai ZZ, but considering the fan is a 92mm, it may be not wide enough...
Edited by Starbomba - 3/30/12 at 8:18pm
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X79 The Hydra
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i865G Chronos
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post #10 of 17
These 3 factors (small case, powerful CPU, passive heatsink) do not get along well with each other. Only 2 can co-exist, IMHO.

Small case (PC-Q07) + 4GHz 2500K --> no passive heatsink which can be fitted in is thermally adequate

Passive Heatsink (Nofan CR-95C) + 4GHz 2500K --> small case cannot accommodate the size of the passive heatsink needed

Small case + passive heatsink -->cannot cool 'powerful' CPU (eg 4GHz 2500K)

This chart gives a rough idea of how a 'large' passive heatsink like NoFan CR-95C cools various CPU in an acitve/passive case.
558

(source:http://www.overclock3d.net/reviews/audio/nofan_cr-95c_icepipe_95w_fanless_cpu_cooler_review/1)
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