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thinking of building a small and silent rig

post #1 of 7
Thread Starter 
if things go through, i plan to build a rig around a 3770k in either an matx or itx case. it would be running nearly 24/7 at around 50% load, with a modest oc (all while running off the igpu...or should i invest in a low-power dedicated card?)

the most important thing about this build, however, is that it has to be silent. my sig rig runs a phanteks dual tower cooler, with both fans consistently around 800 rpm. on a good day i won't be able to hear it running since it isn't any louder than ambient noise, but i'm always able to hear it at night when things quiet down. with this new rig, i never want to hear it running

will water cooling fit the requirements that i have? if so, around how much would i be spending on the loop? and what should i look for in a case for water cooling? obviously if i want something small and silent, i won't be find something that is the most ideal, so i need to know where the priorities are. i'd greatly appreciate any comments/suggestions on this
Edited by Zboy - 6/12/13 at 5:15am
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post #2 of 7
It's impossible to make anything silent that has moving parts so if that's truly what you're after, you're going to need passive heatsinks. With passive heatsinks though you need lower wattage chips and overclocking is out of the question or your cpu will overheat. Watercooling will not be any quieter because you still have to run fans so it will be just as loud as your old setup. If you want a passive setup, this is what I would suggest:

I would recommend getting this cpu since it has a lower tdp than other chips:
http://www.newegg.com/Product/Product.aspx?Item=N82E16819116902

And this heatsink which can be used passively or with a fan:
http://www.newegg.com/Product/Product.aspx?Item=N82E16835220055

If you want a totally silent computer.
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post #3 of 7
Totally silent... maybe not... but quieter than ambient... yes. I count that as silent as even the electronics on the motherboard make some noise.

Check out the Mini-Beast that I have made. It's water-cooled and is tiny, it has a water cooled 3570K and 5850 with mild overclocks and no voltage increases. I have the fan running at 800rpm when it's idle but it can go to 1450rpm when busy which is audible but still quiet. Temps never above 60. It's far exceeded my expectations. A single AP-13 Gentle Typhoon on a 120mm rad on the front would easily cool down the 3770K silently. A 2.5" HDD is louder than my entire rig.

My case is an SG05, it's possible, but it's small.

If you aren't a gamer, stick to the iGPU, it uses less power than a dedicated card.

Cheers,

Del Boy
post #4 of 7
If you put the CPU into this case you could be totally fanless and silent.

http://www.streacom.com/products/fc8-evo-fanless-chassis/
post #5 of 7
Thread Starter 
yeah i know completely silent is unrealistic. to be a little more accurate, what i want is to not be able to hear it above ambient noise at night, from 5 feet away...not sure how much that changes things though lol

the reason i'm considering water cooling is because i'm not sure which cases would support an air cooler than i'm satisfied with. i'd also end up replacing fans with something slow and quiet anyway, so i wanted to see if there's anything that this pathway may have to offer

i don't care how high temps have to be to achieve what i want, as long as they aren't in a dangerous range to be running 24/7
Edited by Zboy - 6/12/13 at 12:51pm
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post #6 of 7
Thread Starter 
from what i've read, there are silent pumps (though not necessarily on all settings), there are silent fans, and there are radiators that compliment those fans...but can they pull of what want them to?
Quote:
Originally Posted by Del Boy View Post

Totally silent... maybe not... but quieter than ambient... yes. I count that as silent as even the electronics on the motherboard make some noise.

Check out the Mini-Beast that I have made. It's water-cooled and is tiny, it has a water cooled 3570K and 5850 with mild overclocks and no voltage increases. I have the fan running at 800rpm when it's idle but it can go to 1450rpm when busy which is audible but still quiet. Temps never above 60. It's far exceeded my expectations. A single AP-13 Gentle Typhoon on a 120mm rad on the front would easily cool down the 3770K silently. A 2.5" HDD is louder than my entire rig.

My case is an SG05, it's possible, but it's small.

If you aren't a gamer, stick to the iGPU, it uses less power than a dedicated card.

Cheers,

Del Boy

what kind of temps do you get? and can you hear your loop at night?

i know the igpu would use less power, but my main concern is whether or not it would affect the heat generated by the cpu, to the point where it would be smarter to run off of a dedicated card
Quote:
Originally Posted by indorill View Post

If you put the CPU into this case you could be totally fanless and silent.

http://www.streacom.com/products/fc8-evo-fanless-chassis/

for what i want, i definitely wouldn't use a passive system. i live in a very warm area, and my room has pretty poor airflow
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post #7 of 7
The iGPU will use hardly anything relative to the CPU. And you want to use the least power overall so that the PSU is running quiet.

The PSU has a fan. You might want to run a 120W pico one. Which would be fanless.

Can I hear it? Barely. There are louder things in my room. It's that quiet.

I get idle of mid 20s, slightly above ambient. And load of 60, but it is audible on load (through choice) but that's core temps. The loop never gets warm. Still quiet but you know it's there.

AP-13 on a 120mm ST30 only cooling down a 3770K. I would expect similar temps and not hot under load. The rad will deal with the 77W from the CPU at prob a 10 degree increase in coolant vs ambient is my best guess.

Why the 3770K vs 3570K? The 3770K can run hotter and I don't think it's worth it unless you have a specific reason.

Hope that helps!

Del Boy
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