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I7 7700k running hot on custom loop

 
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post #1 of 4 (permalink) Old 03-26-2020, 01:16 AM - Thread Starter
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I7 7700k running hot on custom loop

I have a custom watercooling with an Alphacool waterblock, i have the bitspower distribution block for lian li pc o11 dynamic case which i have to and the Thermaltake CL-W010-AL00BL-A R360. Now that you know that, I have an i7 7700k sitting on an asus z270-e motherboard with some arctic MX-2 thermal paste. I use distilled water as coolant. I have the ventilators in a pull configuration with air coming from the outside not the inside of the case. I haven’t done a stress test but i can already tell it doesn’t cool very good because at idle it runs at 30/35 degrees C and at 30% load ut already runs at 65 degrees C. I have the system running in quiet mode but as it runs pretty hot it never really is quiet because the ventilator rpm jumps sometimes while the temps randomly spike at 66 while the cpu goes from idle to 30% for no reason. If you have any idea why it runs so hot please because when i play and have the ventilators do their own thing i some time got 100/110 degrees C at which point i really flipped out 😂.
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post #2 of 4 (permalink) Old 03-26-2020, 01:37 AM
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Quote: Originally Posted by simon w View Post
I have a custom watercooling with an Alphacool waterblock, i have the bitspower distribution block for lian li pc o11 dynamic case which i have to and the Thermaltake CL-W010-AL00BL-A R360. Now that you know that, I have an i7 7700k sitting on an asus z270-e motherboard with some arctic MX-2 thermal paste. I use distilled water as coolant. I have the ventilators in a pull configuration with air coming from the outside not the inside of the case. I haven’t done a stress test but i can already tell it doesn’t cool very good because at idle it runs at 30/35 degrees C and at 30% load ut already runs at 65 degrees C. I have the system running in quiet mode but as it runs pretty hot it never really is quiet because the ventilator rpm jumps sometimes while the temps randomly spike at 66 while the cpu goes from idle to 30% for no reason. If you have any idea why it runs so hot please because when i play and have the ventilators do their own thing i some time got 100/110 degrees C at which point i really flipped out 😂.
Sounds like either a poor contact or flow issue.

Alright, lets do some troubleshooting:

  1. Did you remove the plastic protective foil from your block? sounds stupid but people forget it sometimes.
  2. Did you check the thermal paste spread on your block, it might not be sufficient
  3. Is your pump running and is the coolant flowing properly?
  4. Did you check your coolant temperature, if so what is it?

And some extra advice:
Ask help with building your loop next time, there's no shame in it.
The Thermaltake R360 is an AWFUL radiator its aluminium so without corrosion inhibitors it will destroy your blocks and fittings! Do not run straight distilled water with this thing, you need a corrosion inhibitor! If possible i'd get rid of it and replace it with a proper copper radiator like the HWL GTX for example.
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post #3 of 4 (permalink) Old 03-26-2020, 02:43 AM
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7700k is one of the chips that usually benefits greatly from a delid. Delidding mine dropped the temps about 25c.

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post #4 of 4 (permalink) Old 03-26-2020, 03:30 AM
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Quote: Originally Posted by UltraMega View Post
7700k is one of the chips that usually benefits greatly from a delid. Delidding mine dropped the temps about 25c.
I agree with UltraMega here. My 7700k had similar temps under water, and there was nothing wrong with my loop. Many different configs later I finally got a delid kit and some liquid metal and bam, instantly afterwards instant 10 to 15 degree drop in all temps. Couldn't run adia64 stress test before without cpu reaching hi 80s under water. Now barely goes above 60c.

Just a thought.

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