240mm rad enough?

Sneblot

Sneblot

Sneblot

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Ok so currently looking into getting a 3930k and 2x 670's though having looked at my finances I think I can settle for just one 670 at the moment and add another in a year or two. Question is I would like to be able to water cool with a loop, I currently have a water loop in a Fractal Arc Midi case with a 240 mm rad in the roof, could I keep everything cool enough with just that rad?

I have a feeling that the answer will be no, but I thought I would ask any way.
 
What make/model is your RAD, what fans @ speed you are using?

I would say you would need 120 x 3 RADdage to get a comfortable delta T.
 
It would depend on how much power your drawing which could be dramatically effected if you overclock either your CPU and/or video card.

The so called rule of thumb is a 120 rad per component but that doesn't take into effect power draw and in turn heat output. For example a stock 3570 with a GTX670 is going generate a lot less power then a overclocked 3930 with a GTX680. I would say you need one 60mm rad per 150 watts your system is drawing if you want all the benefits water cooling brings to the table.
 
What thickness rad?? Is there much space in that case for a rad up top?

I'm going to be cooling a i5-2500k and a GTX670. Was originally going to go with a 240 60mm rad which should have been fine, but decided to add in another 120 60mm rad for good measure.
 
I have a 240mm EK-CoolStream RAD XT dimensions are (LxWxH): 276x123x47mm, which is currently being cooled by two EK 1600 rpm fans.
 
It should be fine, but you may struggle if you start to overclock everything.

Well - when I say struggle I would much rather have everything as quiet as possible with the fans on the lowest possible speed.

I'll be running all of mine at 7v for my build.
 
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