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XSPC Watercooling help!!

post #1 of 3
Thread Starter 
Hi All

About 5 months ago I wanted to put a watercooling kit in my CM stormtrooper, I bought a XSPC RayStorm 750 RX240 WaterCooling Kit, whilst it is very good, I have the bug to make it better, when I installed the kit I removed one of the hard drive cages and put the radiator in the floor in a push/pull config, everything appears to work ok and I can get it to run my fx 8350 at 5ghz but at borderline temps so I was thinking of putting another rx240 in the roof of the case or an rx120 in the back which leads me to 2 questions.

Would the pump from this kit cope with an extra radiator?

How would you setup the radiator? by that I mean currently my system goes res - rad - block - res, where would you slot the next rad or does it not matter?

Thanks for all your help in advance!
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post #2 of 3
  1. Yes the X2O 750 pump will handle a second radiator - radiators are fairly low in restriction.
  2. Loop order is fairly unimportant, especially for a CPU only loop. Plumb it in the order which gives the least tubing.
  3. I'm not sure it will help all that much.

To get an idea of what kind of temperature drop you can expect run a stress test and until the CPU temperature stabalises then measure the temperature difference between the intake air and the water. This is known as the water - air delta.

You are aiming to get your delta below 10°C, preferably in the range of 5-6°C. Practically you can only expect to get this to 2-3°C under load, so take that as a base line to get an idea of what you can achieve.

Example:

Measured water - air delta of 8°C
Adding more rad space can get you at most 8-3=5°C drop in temperature.

With your setup I would imagine the delta is already pretty low so I don't know that another rad will help all that much.

Other ideas for lowering your CPU temperatures:

  • Try remounting the block.
  • Try a different TIM.
  • Try to make sure that the radiator air intake is as cold as possible (e.g. near a window).
  • Set your rad as intake rather than exhaust.



By all means try another rad, it can't hurt and then throw your GPU(s) under water too... thumb.gif
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post #3 of 3
Thread Starter 
Understood.

Well I will give it a try and if it is no better I'll put my GPU's under water. The thing is I have a poor overclocker of a 8350, needs like 1.58v to be stable at 5ghz but at that voltage it is hitting 61 degrees on the core, some people are under 1.5v for the same overclock and they all seem to have much better cooling then I do, my assumption was that the tdp must increase massively at 5ghz and that the extra cooling was needed to keep it cooler which in turn would require less voltage.

From what you have just said though I think I might be a bit off with my assumption! :-)
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CPUMotherboardGraphicsGraphics
amd fx8350 Asus Crosshair V Formula-z powercolor vortex 2 hd7970 sapphire vapor x hd7970 GHZ edition 
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Corsair Vengeance 16gb 1866mhz Mushkin 120 GB SSD kingston 120gb ssd xspc 
OSMonitorKeyboardPower
Windows 8 Benq xl2420t saitek Cyborg V7 1000W Mushkin Joule 80PLUS Gold Power Supply  
CaseMouseMouse PadAudio
Coolermaster Stormtrooper Microsoft Sidewinder X8 Razer Vespula Bose Headphones/ Asus Thunderbolt Soundcard 
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amd phenom 2 1090t asus m4a79xtd EVO XFX hd 6770 hyper genesis x  
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