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Noob here, Pump Speed and temps

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post #11 of 14 (permalink) Old 03-19-2019, 10:04 AM
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Quote: Originally Posted by NewType88 View Post
When I'm stress testing and adjusting flow in real time, I noticed temps changes immediately. I get a 4 degree difference between 1800RPM and full speed. At some point there is a diminishing return on pump speed, but I haven't seeked what that RPM is for me yet.
There is definitely diminishing return. In my case, it is a negative return. My cooling improves from 800-~3600 rpm, above that I actually start getting increased temps. Much has to do with the loop, restriction, etc. There is no hard and fast rule.

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post #12 of 14 (permalink) Old 03-20-2019, 12:15 AM - Thread Starter
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Thanks guys. Just did a couple of benchmarks and the sweet spot for me is around 3300 RPM. Not much noise and cools properly.
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post #13 of 14 (permalink) Old 03-20-2019, 11:38 PM
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You should absolutely consider more rad space. 63C under load for a GPU only seems good until you realize that you could be in the 30's. Nvidia GPU's drop bins starting at 50C.

edit: sorry, just saw that the case can't handle more than that.

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post #14 of 14 (permalink) Old 03-27-2019, 12:17 PM
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Keep in mind that different blocks might require different flow rates to archive the same temperatures. E.g. I'm pretty sure all Heatkiller and Aquacomputer GPU blocks can run at very low flow rate (Germans or I should say Europeans emphasize on silents) and yet.. keeping temperatures low, on the other hand e.g. in order for some of the EK blocks to archive the same temperatures their blocks require higher flow rate.

Like someone suggested earlier, you should test all of the options to be content with both, noise level and temps.

Last edited by NewUser16; 03-27-2019 at 12:28 PM.
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