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How much does adding a dual gpu to a loop affects temps?

post #1 of 17
Thread Starter 
How much would adding a 6990 to a 360 radiator loop increase the CPU temps?

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post #2 of 17
What is your ambient and cpu temperature now? What fans?

I think that radiator is too small, I think 480 is kinda safe minimum for cpu and dual gpu.
post #3 of 17
If your fans are ok, I would expect a 10-15c increase if both cpu and gpu's are under load.
Adding a 120 or 240 rad to the loop is recommended if you ask me. A year or two ago I tried with 360 alone and 360+240 and with the 360 I got like 10c extra (but since cards are even more powerful today I would expect 10-15c extra). And with the 360+240 I got 1c increase in temps
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post #4 of 17
Thread Starter 
If I add another 360 will the CPU be effected at all? And is so by how much. Fans are 1800 rpm pump is mcp 35x . Ambients 70f

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post #5 of 17
I didn't mean to say you should replace the 360 with a 480 btw

Yeah, if you have space for a 240mm, I would recommend adding that.

I suspect you don't gain that much with only a 120mm, depends on airflow.

Perhaps a push pull configuration with fans on that 360mm?

Edit : Also, don't think about sandwiching radiators, you gain virtually nothing from it.
post #6 of 17
Thread Starter 
No I have one 360 in my case now, and one on the back not hooked up, if I hook it up and add a 6990 to my 2600k loop what temp increase will I see with my CPU? Only push setup fans.

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post #7 of 17
A 6990 is a two gpu card and runs a little hot so by adding a 360 and one card or two gpus more to your loop your looking at 10 to 15c
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post #8 of 17
What are your load temperatures on the cpu?

If it is 60, I think your temperature will run you to 65c.
post #9 of 17
Well with a RS360, unless you have some crazy fast fans, expect a decent temp increase. If you plug in the other rad you said was on the back, temps should stay about the same or perhaps drop a tad.
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post #10 of 17
Quote:
Originally Posted by NorxMAL View Post
What are your load temperatures on the cpu?

If it is 60, I think your temperature will run you to 65c.
He is overclocking both cpu and gpu in the sig thats what I went off of and I guess he would also overclock the new card too
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