CPU Cooling

Haunz
10+ year member

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I'm going to build a new computer, planning to go with a Core 2 Quad chip and an Asus board. Since I want to overclock the CPU I was thinking I'd go with a thermaltake bigwater760i system or something similar.

BUT...

Id really like to cool the CPU below ambient temperature.. I don't need something that will cool the CPU to -35C but running below ambient would definatly be nice. I don't want to mess with peltier systems since they are inefficient and I would much rather have a phase change system...

Is there anything available in a phase change system that will fit inside a computer case ? All I can find are external units that cost $800 + ???

 
I'm going to build a new computer, planning to go with a Core 2 Quad chip and an Asus board. Since I want to overclock the CPU I was thinking I'd go with a thermaltake bigwater760i system or something similar.
BUT...

Id really like to cool the CPU below ambient temperature.. I don't need something that will cool the CPU to -35C but running below ambient would definatly be nice. I don't want to mess with peltier systems since they are inefficient and I would much rather have a phase change system...

Is there anything available in a phase change system that will fit inside a computer case ? All I can find are external units that cost $800 + ???
I'm pretty sure the only time of phase change systems available are external and ridiculously expensive. At least this is how it was last year around this time when me and a friend were looking into it. //content.invisioncic.com/y282845/emoticons/crap.gif.7f4dd41e3e9b23fbd170a1ee6f65cecc.gif

A normal liquid cooling system would do it just fine though, phase change systems are likely NEVER to be needed by any average consumer. Only time I could see phase change cooling being beneficial is by a company to get ridiculous test numbers when developing a product so they can price it higher or some sort of research company that really runs intense simulations.

 
I'm going to build a new computer, planning to go with a Core 2 Quad chip and an Asus board. Since I want to overclock the CPU I was thinking I'd go with a thermaltake bigwater760i system or something similar.
BUT...

Id really like to cool the CPU below ambient temperature.. I don't need something that will cool the CPU to -35C but running below ambient would definatly be nice. I don't want to mess with peltier systems since they are inefficient and I would much rather have a phase change system...

Is there anything available in a phase change system that will fit inside a computer case ? All I can find are external units that cost $800 + ???

Do not use the bigwater the tubes are on the small side. ..... Get a dangerden waterbox kit if you plan on doing watercooling. Otherwise get a Zalman or a Thermaltake V1 for air.

 
Do not use the bigwater the tubes are on the small side. ..... Get a dangerden waterbox kit if you plan on doing watercooling. Otherwise get a Zalman or a Thermaltake V1 for air.
x2 on dangerden, very nice stuff.

 
I'm going to build a new computer, planning to go with a Core 2 Quad chip and an Asus board. Since I want to overclock the CPU I was thinking I'd go with a thermaltake bigwater760i system or something similar.
BUT...

Id really like to cool the CPU below ambient temperature.. I don't need something that will cool the CPU to -35C but running below ambient would definatly be nice. I don't want to mess with peltier systems since they are inefficient and I would much rather have a phase change system...

Is there anything available in a phase change system that will fit inside a computer case ? All I can find are external units that cost $800 + ???
DO NOT buy premade water cooling kits like that. You are throwing money away. If you have to buy a kit get something from www.petrascomputers.com or a swiftech kit.

But honestly... with a newer 45nm CPU (Q9450, E8400 for example) you can get some decent OC'ing on air. Get a Thermalright Ultra 120 Extreme cooler (or the new black chrome one) and put a Scythe fan or other good quality 60+ CFM fan on it. I am currently running this with a QX6700 (old 65nm B3 stepping = scorcher) and I am able to keep my core temps under 60°C fully loaded at 3-3.3GHz (I do 3.6-3.8 on my water setup). with a newer quad or dual core you could easily do that to 3.6-4.0Ghz. a Good water loop would gain you another 200-400mhz (approximately) and phase depending on what you do would gain you an aditional 400-800 ontop of that. These are all very rough numbers mind you...

There are no phase systems that fit inside a computer. You could do something custom and build it into a really big case but honestly I wouldn't want my compressor/motor anywhere near my electronics. There are some pre done setups out there but I dont know much about them. I think OCZ has one... but it would require modding your case anyway to work and it would all be external.

Also phase is going to up your electrical bill quite a bit (those motors **** up a lot of juice) for gains in OC that I wouldn't personally run 24/7 anyway.

000k3ye7


Built that last fall. E6850 @ 3.6GHz 1.3v cooled by Thermalright Ultra-120 Extreme w/ Scythe S-FLex SFF21F fan. Both cores under 50°C fully loaded with prime small fft (I think it was around 42-44°C with my a/c on). Had that rig running 3.92GHz for awhile as well.

 
^ I was looking at the E8400 chip at first, but decided to go with the lower end quad core Q6600 since it dosen't cost much more... it has the 65nm process but I'm not sure that makes any difference in performance over a 45nm process... ?

I'll check out some other water-cooled setups before I buy one.. thermaltake is what is carried where I'm going to buy, and I figure it has still got to better then any air cooled setup... although it will cost about $100 more... I did want a kit to make things easy even if it is a bit 'mickey mouse' but I'll definatly look around and think about putting together my own kit...

 
^ I was looking at the E8400 chip at first, but decided to go with the lower end quad core Q6600 since it dosen't cost much more... it has the 65nm process but I'm not sure that makes any difference in performance over a 45nm process... ?


I'll check out some other water-cooled setups before I buy one.. thermaltake is what is carried where I'm going to buy, and I figure it has still got to better then any air cooled setup... although it will cost about $100 more... I did want a kit to make things easy even if it is a bit 'mickey mouse' but I'll definatly look around and think about putting together my own kit...
The air cooling that I am using will be as good as that thermaltake watercooling kit. Hence I say "throwing away money". Swiftech kits are the only ones worth it (or petra's but there basically just custom parts put in a package you still have to do it all yourself).

The E8400 is a dual core so it doesnt really make sense to compare it to the quad core Q6600. The Q6600 is a nice chip and if you get a G0 rev or later it runs a lot cooler then my B3 variant. however the newer 45nm quad's/dual's have more cache, run cooler, and more optimized architecture. There are significant improvements in the technology. However... are you enough of a computer buff to notice?

 
DO NOT buy premade water cooling kits like that. You are throwing money away. If you have to buy a kit get something from www.petrascomputers.com or a swiftech kit.
But honestly... with a newer 45nm CPU (Q9450, E8400 for example) you can get some decent OC'ing on air. Get a Thermalright Ultra 120 Extreme cooler (or the new black chrome one) and put a Scythe fan or other good quality 60+ CFM fan on it. I am currently running this with a QX6700 (old 65nm B3 stepping = scorcher) and I am able to keep my core temps under 60°C fully loaded at 3-3.3GHz (I do 3.6-3.8 on my water setup). with a newer quad or dual core you could easily do that to 3.6-4.0Ghz. a Good water loop would gain you another 200-400mhz (approximately) and phase depending on what you do would gain you an aditional 400-800 ontop of that. These are all very rough numbers mind you...

There are no phase systems that fit inside a computer. You could do something custom and build it into a really big case but honestly I wouldn't want my compressor/motor anywhere near my electronics. There are some pre done setups out there but I dont know much about them. I think OCZ has one... but it would require modding your case anyway to work and it would all be external.

Also phase is going to up your electrical bill quite a bit (those motors **** up a lot of juice) for gains in OC that I wouldn't personally run 24/7 anyway.

000k3ye7


Built that last fall. E6850 @ 3.6GHz 1.3v cooled by Thermalright Ultra-120 Extreme w/ Scythe S-FLex SFF21F fan. Both cores under 50°C fully loaded with prime small fft (I think it was around 42-44°C with my a/c on). Had that rig running 3.92GHz for awhile as well.
What case is that ? Looks very similar to the Gigabyte Poseidon in that pic ...
 
^ I was looking at the E8400 chip at first, but decided to go with the lower end quad core Q6600 since it dosen't cost much more... it has the 65nm process but I'm not sure that makes any difference in performance over a 45nm process... ?


I'll check out some other water-cooled setups before I buy one.. thermaltake is what is carried where I'm going to buy, and I figure it has still got to better then any air cooled setup... although it will cost about $100 more... I did want a kit to make things easy even if it is a bit 'mickey mouse' but I'll definatly look around and think about putting together my own kit...
I would skip the E8400 and jump to the E8500 or E8600 ... Dual cores rock the shit out of the quads when you start overclocking unless you get a really expensive quad (i.e. QX series) ...
BTW, this looks to be EXACTLY what you're looking for. Not cheap, though ...

http://www.hardwarecanucks.com/forum/hardware-canucks-reviews/9731-coolit-boreas-mtec-chassis-review.html

 
What case is that ? Looks very similar to the Gigabyte Poseidon in that pic ...
It is a coolermaster case. Very nice case. Solid build and easy to work with.

I think it was the 540... or something along that lines. I cant load the coolermaster site or I would link it.

And on the dual core vs quad core sugject... what is OP'ers main use for this rig? Gameing? If so then go dual core as the only game ive seen significant improvements by useing quad core is Supreme Commander. However if you do any kind of number crunching, video editing, lots of multitasking then the quad is for you.

 
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Haunz

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