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Do all WC builds require 850w PSUs?

post #1 of 10
Thread Starter 
So far I have seen nothing but high wattage on PSU's for WC builds. If one thing lacks in a lot of the stickies is explanation about how much power you need. How well will a 550w PSU handle the XSPC Raystorm rx240 kit?
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Blue Challenger
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post #2 of 10
A 550W with handle that with ease.

Most users that run full custom loops usually have higher end hardware so it warrants a higher wattage PSU.

Also, some users also might have larger PSU's than what they need simply due to sales that hit every now and then. smile.gif
    
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post #3 of 10
Should be just fine. A pump should pull no more than 10-15watts.
 
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post #4 of 10
Thread Starter 
Quote:
Originally Posted by Munkypoo7 View Post

A 550W with handle that with ease.
Most users that run full custom loops usually have higher end hardware so it warrants a higher wattage PSU.
Also, some users also might have larger PSU's than what they need simply due to sales that hit every now and then. smile.gif

I'll only be running a CPU and single GPU loop. Only thing that requires energy is usually the pump, right? I might add some LED/UV lighting,so how would I fair with those?
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post #5 of 10
The reason why most have high capacity PSU's is because of one of two things:

1. They have power hungry components (not related to the watercooling gear). This means top tier GPU's and CPU's that are typically overclocked (sometimes heavily at that).
2. They buy more power than they need for various reasons. Most of the time, people do not know just how much power they need, exactly. wink.gif

Really, your PSU should have no problem support a watercooling setup like the XSPC Raystorm kit. All you are adding is just the power needed to run the pump and any extra fans. thumb.gif
     
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post #6 of 10
Quote:
Originally Posted by xxgamxx View Post

I'll only be running a CPU and single GPU loop. Only thing that requires energy is usually the pump, right? I might add some LED/UV lighting,so how would I fair with those?

Correct, which really doesn't pull much power anyways in relation to a GPU or CPU for that matter.

You will be fine ^^
    
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post #7 of 10
You don't need a beefy power supply for water cooling. A pump is around 24Watts. Add the fan power and that's it.
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post #8 of 10
Thread Starter 
Alright thanks, one step closer to pulling the trigger.
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post #9 of 10
pump and fans are a insignificant compare to GPU's r CPU's power consumption
water cooling doesnt require almost any more power then what you would have needed without it.
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post #10 of 10

As others have said you only see the high wattage power supplies is because of power hungry components or multiple components under water (SLI, CFX for instance)  even then 850w is still somewhat overkill in most of the setups they're used in.

 

850w is just the sweet spot for most people because it gives them more breathing room to expand and all that good stuff.

 
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