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Going liquid cooled. Experts chime in on parts!

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Sorry guys.. had a lot of work just thrown on me.

Trying to figure out a way to keep eveyrthing in budget with 2 gpu's a cpu, and not using premium parts to make everything fit.

😛
 
I think I'm going to copy this guy's loop plan. Only difference is there will be two cards instead of one. If temps are not pretty, I'll throw in a 140mm radiator at the back. Parts have already been purchased.. so I can't change much other than adding a radiator if things don't stay cool.

http://www.sanbasestudio.com/jpg/480gtx_i920.jpg

Also for the dual cards, should I install them in series or in parallel?
 
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You could opt for the res/rad/pump combo for your front rad?

http://www.jab-tech.com/Swiftech-MCR220-DRIVE-B-No-Pump-pr-4621.html

MCR220DRIVE.jpg


It does add a bit of height so remember measure once cut twice.
 
I'll let you know if my loop works out single pump. I wasn't worried about the pump since the swiftech 655 seems to be pretty powerful and adjustable. I'm more worried about heat dissipation. If the heat is too much, I'll take my CPU out of the loop and It can be air cooled.
 
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It was a joke.

The saying goes "Measure twice cut once"

Either way you have to check your spacing which was what I was getting at.
 
What kind of loudness is it? A hum, a fan, or the noise of water pumping/flowing?

To me, the coolers are fine, WHILE I am gaming...and they barely break 50% , any higher and it's unbearable noise.
 
If you want quiet, I'd go with the

Swiftech MCP655

I run mine at a sweet spot about 60% and it's really quiet. Variable speed is key for finding the pressure vs harmonics sound spot.

A radiator typically takes off 0.5-1 PSI at 1-2gph which isn't much compared to the blocks. It's too bad Skinnee Labs took down all of Martin's pressure and flow testing, hopefully it will be reintegrated someday.
 
Schmide said:
If you want quiet, I'd go with the

Swiftech MCP655

I run mine at a sweet spot about 60% and it's really quiet. Variable speed is key for finding the pressure vs harmonics sound spot.

A radiator typically takes off 0.5-1 PSI at 1-2gph which isn't much compared to the blocks. It's too bad Skinnee Labs took down all of Martin's pressure and flow testing, hopefully it will be reintegrated someday.
Click to expand...

That's what I got.
 
Schmide said:
If you want quiet, I'd go with the

Swiftech MCP655

I run mine at a sweet spot about 60% and it's really quiet. Variable speed is key for finding the pressure vs harmonics sound spot.

A radiator typically takes off 0.5-1 PSI at 1-2gph which isn't much compared to the blocks. It's too bad Skinnee Labs took down all of Martin's pressure and flow testing, hopefully it will be reintegrated someday.
Click to expand...

think it could handle 2 gpu's, 1 cpu, and 2 rads? haha
 
With out a doubt it could handle it.

The most restrictive part of the loop is the CPU block, followed by the GPU block, then the radiator. As you see from the mcp35x graph above most pumps can maintain greater than 1gpm flow with a CPU/2GPU/RAD/RES/FlowM. Adding a RAD will slow this but not by very much, esp when you near the 1gpm flow rate.

For the most part

less than 0.5gpm performance falls very dramatically
less than 1gpm performance falls marginally
1-3gpm performance climbs linearly (some blocks hit their sweet spot at 1.5gpm) However the difference between 1 and 3gpm is about 1-2%
greater than 3gpm the pressure drop from components makes flow harder to maintain

For the most part a complex 2 pump serial loop preforms like a simple 1 pump loop. Again these margins are very small. If you're just going for moderate OC with quiet components a single pump will do fine.

http://skinneelabs.com/i7-blocks-2/2/
Results25W.png
 
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Schmide, thanks for allowing me to worry about one less variable. If I need to add another radiator I won't be needing to add another pump, excellent news 🙂
 
Schmide said:
How many rads did you get?
Click to expand...

When I was parting the system out in the earlier pages of the thread, I ended up with a 3x120mm radiator.

If that radiator can't maintain good temps with the 2 gpus and cpu block, I'll either take the cpu out of the loop and have it be air cooler, or buy a 140mm radiator to add to the loop.
 
The rad will maintain it, the real question is how well.

As you can see in this review.

http://skinneelabs.com/swiftech-mcr-320-qp/4/
MCR320_HeatLoadChart.jpg


With med 1400rpm fans and 500w load you're looking at a 10c delta which is considered average performance. You may be a bit over that so you may be looking at a 15c delta which will still be much greater than air.
 
I'm using 1200rpm fans. So I'll be between 10-15c delta. Not too bad, and I rarely will have the CPU and both GPUs fully loaded up. Its either both GPUs fully loaded and the cpu hanging out, or gaming which won't generate as much heat on the GPUs as hashing. Thanks again Schmide for all the info.

All the parts get here on the 15th and ill start building 😀
 
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