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Can I do better? And how?

M

mintos

Weaksauce
Joined
Sep 5, 2006
Messages
83
I'm not satisfied with the temps I'm getting with my current watercooling setup.

Setup:
Radiator - Danger Den Black Ice GTX Xtreme 480 4x120
Pump - DD Mag II
VGA Block - MCW60
CPU Block - Apogee
4x 50 CFM Fans in pull configuration

Temps:
CPU E6600@3.6ghz - 42*C idle / 52*C load
GPU 8800GTS@621/851 - 45*C idle / 48*C Load

I'm upgrading to a Q6600 as soon as the prices drop, so I'm looking to improve my CPU temps. Currently, I've ordered fuzion blocks to replace my MCW60 and Apogee. Anything else I can do for better temps? Will a PA120.1 or PA120.2 rad help the loop? I don't think my rad is going to reach it's limit with a quad, but I want CPU load temps to be <= 45*C.
 
mintos said:
I'm not satisfied with the temps I'm getting with my current watercooling setup.

Setup:
Radiator - Danger Den Black Ice GTX Xtreme 480 4x120
Pump - DD Mag II
VGA Block - MCW60
CPU Block - Apogee
4x 50 CFM Fans in pull configuration

Temps:
CPU E6600@3.6ghz - 42*C idle / 52*C load
GPU 8800GTS@621/851 - 45*C idle / 48*C Load

I'm upgrading to a Q6600 as soon as the prices drop, so I'm looking to improve my CPU temps. Currently, I've ordered fuzion blocks to replace my MCW60 and Apogee. Anything else I can do for better temps? Will a PA120.1 or PA120.2 rad help the loop? I don't think my rad is going to reach it's limit with a quad, but I want CPU load temps to be <= 45*C.
Click to expand...

Don't order the FuZion GPU block as its even more restrictive than the storm, especially if you're running a single loop. I'd recommend the Fuzion CPU block for most people, but for quadcores, nothing beats a bowed Apogee GTX. Your 480 BIX should be able to easily handle the heat dissipation duties but you can add more radiators if you please. If you do switch to PA's, their combined pressure drop would still be less than the 1 BIX, helping you squeeze out more performance.

Anyhow, Quads run like a furnace. Your overclocking headroom won't amount to the same as your C2D.
 
Adding another radiator won't do much...

Heat is pretty much a constant in the loop... Your CPU is, at most, dumping 200w into the loop... The GTS, maybe 190. That's about a constant 390w of heat at any given time.

The Black Ice GTX radiator is removing all of that with 4 50cfm fans ( 120w x 4 = 480w of total heat dissipation as an estimate)... so adding another radiator won't do anything more... It can't remove heat if that heat doesn't exist. At most, you'd get around a 1-2c temperature change, or the ability to run all your fans at a lower speed.

No, in this case you need to look at the "other" variables in the loop. The IHS of your chip might not be very good, you could lap it. Your apogee base can be bowed out, or it might need a lapping. You might be using too much thermal paste... Or you might have too much crap in your loop (Distilled water is the ONLY easily attainable fluid that performs well in a loop, dyes, antifreeze, anti-galvanic additives all detract from water's performance).

And, always remember, you've got 4 cores in a very close proximity, obviously your temperatures are going to be higher than a respective dual core, simply due to current waterblock design limitations.
 
yeah... I thought as much...but... radiators are rated as dissapating watts/time right? I can increase that number by adding more airflow for one, or I can increase the time the water is in the radiator. (aka another radiator...or slow flow.. but that's bad). I have my loop as pump-> GPU -> radiator -> CPU -> pump (via T line). Maybe I should put another radiator between pump and GPU.

Or... I can put my radiator infront of the AC :D
 
mintos said:
yeah... I thought as much...but... radiators are rated as dissapating watts/time right? I can increase that number by adding more airflow for one, or I can increase the time the water is in the radiator. (aka another radiator...or slow flow.. but that's bad). I have my loop as pump-> GPU -> radiator -> CPU -> pump (via T line). Maybe I should put another radiator between pump and GPU.

Or... I can put my radiator infront of the AC :D
Click to expand...

You can increase the rate of heat transfer, but you'll get majorly diminishing returns after a certain point.

The AC idea is a much better one ;)
 
Wouldn't a better pump help out? Seems like two blocks and a huge radiator should have a DDC or D5.
 
I actually just ordered a D5... I was using a MCP350, but my friend gave me the mag II for free. Now I know why. It's a piece of crap. On specs it looks good, but it's way weaker in practices. Plus, it's making clicking noises. I'm going back to my MCP350 till my D5 comes.
 
mintos said:
I actually just ordered a D5... I was using a MCP350, but my friend gave me the mag II for free. Now I know why. It's a piece of crap. On specs it looks good, but it's way weaker in practices. Plus, it's making clicking noises. I'm going back to my MCP350 till my D5 comes.
Click to expand...

MCP350 is better than the D5.
 
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