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Liquid-cooling newb needs pointers...

post #1 of 7
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Hey guys, I've been building and working with PC's for over 20 years now, but I'm new to water-cooling and am ordering a kit this weekend to install into my gaming PC. I'm running a Tuniq Tower on the CPU which runs good temps even with a 500mhz o/c, but the 8800GTS video card really heats up the case, and I HATE excessive fan noise so I thought liquid-cooling would quieten the system down some. I'm considering something like the Swiftech H20-120 or the DD kit that comes with the D5 pump for more power. I basically need to know what I need to keep up with a slightly o/c'ed 4200+ and the 8800 graphics card in the same loop. My problem is, I've already dremel'ed out the HDD cage from my chassis to make room because I don't like external radiators. But if you look at my pics linked below, I can probably only fit a single rad (maybe dual flow) in that space in the front of the chassis. Will that be enough cooling for a single cpu and the 8800GTS as long as I spring for a good pump? Any suggestions before I waste any cash? Also, what about the feasibility of chipset-cooling my A8N32-SLI Deluxe (heatpipe) board? Sorry for the length fella's, I just don't want to screw up!
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H2O Lian Li
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post #2 of 7
Quote:
Originally Posted by CycoSomat1c View Post
Hey guys, I've been building and working with PC's for over 20 years now, but I'm new to water-cooling and am ordering a kit this weekend to install into my gaming PC. I'm running a Tuniq Tower on the CPU which runs good temps even with a 500mhz o/c, but the 8800GTS video card really heats up the case, and I HATE excessive fan noise so I thought liquid-cooling would quieten the system down some. I'm considering something like the Swiftech H20-120 or the DD kit that comes with the D5 pump for more power. I basically need to know what I need to keep up with a slightly o/c'ed 4200+ and the 8800 graphics card in the same loop. My problem is, I've already dremel'ed out the HDD cage from my chassis to make room because I don't like external radiators. But if you look at my pics linked below, I can probably only fit a single rad (maybe dual flow) in that space in the front of the chassis. Will that be enough cooling for a single cpu and the 8800GTS as long as I spring for a good pump? Any suggestions before I waste any cash? Also, what about the feasibility of chipset-cooling my A8N32-SLI Deluxe (heatpipe) board? Sorry for the length fella's, I just don't want to screw up!
If your looking for a kit I would go with something like this: http://www.petrastechshop.com/pecoel.html

The best way to go, however, is a custom built kit to suit your needs, and if your cooling the GPU and CPU I would say the D5 should push enough water but, you will need a bigger radiator, maybe the Black Ice Xtreme II, or even better would be the Black Ice GTX240.

Now neither one of these radiators will fit in you case but, if your cooling both the GPU and CPU you will need at least a 120.2 or even a 120.3 radiator a single 120 will not be enough.

I know you don't want to put the radiator on the outside of your case but, this will give you much better results and help keep the heat OUT of your case.

As for cooling the NB I would use and aftermarket HSF rather than watercooling it, mainly because it will put some restriction on your loop, unless the NB is buring up then it might be something to consider
I'm sure Ira will be here soon to post some info for you as well
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post #3 of 7
Watch out for Ira K, he'll blow yourmind. Haha.

But seriously, you need a 120.3 rad for both the CPU and an 8800 IMO.

Just do it outside of your case. Get some modders mesh and cut a place in the top, put the mesh, and then mount the rad on top with holes for tubing and whatnot...
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post #4 of 7
A 120mm rad will not suffice for cooling both your CPU and GPU, you need a 240mm at least or preferably a 360mm one!!

Is there no where else you can fit a 240 or 360 rad? On the back, side or top?
You could always fit a 120mm rad in the front as well as a bigger rad elsewhere to get temps even lower.

Loop could go sumthin like this:
Pump - 360mm Rad - CPU - 120mm Rad - GPU -Res - Pump
    
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post #5 of 7
The cpu plus an 8800 is alot of heat, you need at least a double radiator for good temps, a single would be ok on the GPU only or CPU only, but even at that to really beat good air cooling like the Tuniq you would probably be dissapointed unless you went to at least a double rad otherwise your water temps will build up too much especially if you're also interested in silence.

If you went with some 100+ cfm fans and a nice thick high density radiator like a HW GTX series you could probably move some heat, but not quietly.

If you want quiet you probably need to go with at least an triple inexpensive radiator and some quiet fans like yate loons.

I now have my E6600 overclocked to 3.3 on one loop with an MCR320 rad and yate loon d12sl12s, and my 8800 on it's own loop with the same OC at 670 and my 8800 easily has more heat than the CPU. Supposedly an 8800 is using aroun 146watts and my E6600 maybe 100 and from my observations that's pretty accurate. Those 8800s are hot.

Alternatively I think you would do fine just water cooling the 8800 on a single rad, it's made to take a little heat anyway. In that case you could get an MCW60 plus D-tek unisink for about$65, and MCR120 for $25, and D-tek Db-1 for $45, and Tline/tubing and you'd have a good setup you can expand on later.

Either way though, not sure you want all that hot air blowing into your case, you'd be better off with a bigger rad on top or on the back.
    
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post #6 of 7
Thats good advise he gave you...If your looking for quiet the bigger the rad the better due to its larger surface area...A 240 or 360 rad will also keep your temp's from spiking so much.You can always mount it to the top of your case or on the back of it...Don't get in a hurry and read as much about WC'ing as you can that way you can make an informed opinion about what parts you need...

Kit or Custom you still have to put it all together ...We can help you with parts if you would like to go Custom...You can pick and choose the parts that way...


Some good reading...

...http://www.overclock.net/water-cooli...ing-setup.html
Assembling your Custom Watercooling Setup

...http://www.overclock.net/water-cooli...-wc-setup.html
Bleeding my WC setup...

...
http://www.overclock.net/water-cooli...stall-tip.html
D-Tek Fuzion install tip! -(Or why you should clean you new blocks)...


...http://www.overclockers.com/articles993/
PC Water Coolant Chemistry - Part I

...http://www.overclock.net/water-cooli...diators-2.html
Poll: Push or pull configuration for Radiators - Page 2

...http://www.overclock.net/faqs/118766...ce-shroud.html
How To: Build A Performance Shroud

...http://www.overclockers.com/articles223/
Cooling - An In-Depth Look

...http://www.overclock.net/water-cooli...g-english.html
Water Cooling - In English
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post #7 of 7
Thread Starter 
Thanks for the input guys, I kinda expected I'd probably need at least a 240 rad for the gpu and processor. After checking the height of the 240's, I could probably fit one in the front of my chassis; I'm about an inch shy, so just a little more with the dremel might do it. I guess I could mount the rad externally; I just like the clean look of the internal jobs. I had never thought about mounting the rad to the top, and after measuring my chassis, it would probably be a perfect spot for a 360 because there's just over two inches between the top of my power supply and the case top. It'd probably look cool too, except it'll take some really careful dremel work to keep from f*ing up my new case! I've been planning on getting some modders mesh anyway for the front bezel, so maybe I should just ventilate the top as well? Decisions, decisions!
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H2O Lian Li
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