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Water Cooling my PC

post #1 of 12
Thread Starter 
Hi, I'm new here, and I was wondering how and if I should water cool my PC. I have had an i7 920 for about 2 years, and I have it OC'd to 4.0GHz.

I just moved, and the house I am in now has a lot of windows, and gets much hotter as its in direct sunlight all day. My i7 would run at about 74C at load at my old house, and now it can peak at 90C. It normally idles around 43C now, opposed to 34C before I moved.

Right now I am cooling it with a Scythe SCMG-2100, and arctic silver 5 in an Antec 1200 Full Tower case. I have plenty of airflow. I replaced my Heatsink's stock fan with a 4000rpm 120mm fan, and have it, and the rest of my case fans running at 100% 24/7.

So, I'm thinking that water cooling is the way to go, but If anyone knows of an air cooler that would work better than what I have, I would appreciate the info, I don't really have the money to do much right now, and I know the water cooling gets expensive. If thats the only way though, I could use some advice on what to get, and where to get it. I am not looking to cool any other components, just the CPU.

Thanks!
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post #2 of 12
thermalright silver arrow & noctua nh-d14 are the top air coolers... about $80

you can get a rasa 240rad kit for $130... much better temps than any air cooler

but depends on ur budget really, im sure almost everyone that watercools will say it's worth it lol, especially for $130 that's a great value in terms of price/performance
post #3 of 12
Water cooling will not provide you with any benefit unless you hang the radiators outside the hot room you are in. Water cooling and air cooling rely on ambient temps (the temp of the air in your room) to cool your system. Neither can cool below they ambient temps which is why as you moved to a much hotter environment your systems temps are now much hotter. The i7 had a MaxTJ of 100c so even at 90c you are below the thermal throttle but that will stress your CPU being that close.

To cool lower than ambient you need to look at a chiller or phase change. Otherwise, simply lower the temp in the room (window AC unit or turn your AC down, pull the shades, etc.)
post #4 of 12
Quote:
Originally Posted by RatDog View Post
Water cooling will not provide you with any benefit unless you hang the radiators outside the hot room you are in.
Are you crazy? You must be drunk or something because surely you realize that water cooling gives you a lower CPU-air delta than air cooling? Even if he does have high ambients going water is still going to drop his temperatures 20+C. For most of us that would be from 80C to 60C, but for him it's going to be 90C to 70C (or lower).

It's still going to help his temperatures.

@OP

I second the XSPC Rasa kit. It's a great kit that gets about 95% of the performance of a full custom loop for 1/3 the cost. Mounting the 240mm radiator should be easy in the Antec 1200, it's a pretty large case.
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Labor of Love
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post #5 of 12
Quote:
Originally Posted by charliehorse55 View Post
Are you crazy? You must be drunk or something because surely you realize that water cooling gives you a lower CPU-air delta than air cooling? Even if he does have high ambients going water is still going to drop his temperatures 20+C. For most of us that would be from 80C to 60C, but for him it's going to be 90C to 70C (or lower).

It's still going to help his temperatures.

@OP

I second the XSPC Rasa kit. It's a great kit that gets about 95% of the performance of a full custom loop for 1/3 the cost. Mounting the 240mm radiator should be easy in the Antec 1200, it's a pretty large case.
What are you talking about, I would say you are drunk but being 17 I assume you are not able to get booze.

That is a good air cooler, he move to a room that is ~ 20c hotter (he didn't state ambient so I am guessing). While water is much more efficient cooler than air, it can't make up for the delta in ambient temps he moved his rig into, it can only get closer to ambient.

My point is, you can either drop a few hundred bucks on going under water or simply pull the blinds or turn down the A/C to resolve the problem. The fact he had good temps before moving to the new place means he already has good cooling.

74c on air would have been ~ 62 on water or a delta of 12c not 20c.

Finally, you can simply say you disagree and not fling insults.
post #6 of 12
Sorry to insult you, I thought you were implying something else. .

Also, water would drop his temperatures by 12C or so, so with a 15C increase in ambients it would keep his CPU temperature roughly the same. I don't see why he shouldn't do that, it would solve his problem of high temperatures?
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post #7 of 12
Thread Starter 
Thanks for the info guys. Now I looked at both the air coolers, and I had looked at the Noctua NH-D14, and I like that cooler, but I looked at the Rasa Water Cooling kit, and its not that much more expensive than the air cooler. So, I will probably be going with that at some point.

Which brings up my next question, What would be a good coolant or additive for it, and how much should I get?
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Samsung 470 64GB SSD, Samsung 500GB HDD ASUS DVD-RW, LG Blu-Ray Burner Microsoft Windows 7 64bit Dell 23" 
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post #8 of 12
Distilled water and either PT Nuke or a silver kill coil. Proven time and again much better than any pre-mix fluid. If you have to run a color, go with Feser One but be prepared to clean gunk often as the color settles out of fluid over time.
post #9 of 12
Quote:
Originally Posted by charliehorse55 View Post
Sorry to insult you, I thought you were implying something else. .

Also, water would drop his temperatures by 12C or so, so with a 15C increase in ambients it would keep his CPU temperature roughly the same. I don't see why he shouldn't do that, it would solve his problem of high temperatures?
Yep, water would probably get him closer to ambient so it could make up for some of the increase room temp. My point was simply you could spend 150.00 or more on a WC set up (if he adds GPU blocks) plus the added complexity of going under water or you could just lower the room temp and you are back to your 74c at load temps.

Don't get me wrong, I am all for going under water but I also try to set realistic expectations. I don't want the OP to spend few hundred bucks and a few hours of time to find that his temps are only a bit better when turning down the A/C or cooling that room better would have similar effect.
post #10 of 12
What I recommend is covering the windows with a blanket of some sort so that not much heat comes in. That is what I did with a big window that I have in a room so the sun hits it and i noticed difference, yeah it sounds ghetto but its not and helps out with room getting hot as well. Also water cool it! get the RX360 kit or whatever for 140?
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R3B0rn
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