X99 Pro/USB 3.1 Temperature Reading Extremely High - AIO Cooler Constant High Fan

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mrkyle1983

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Sep 24, 2017
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I have a X99 Pro/USB 3.1 Mobo with a H110iGTX AIO cooler for a 5930k processor.
Over the past month I've noticed that the AIO fan spins up to max RPM within minutes of my computer booting up, regardless of what is going on.
I looked in Corsair Link to see what was going on and noticed 1 specific temperature sensor on the MOBO is reading 97 C, while everything else is a maximum of 65C or even down to 30C range. This is causing the AIO fan to run at Max from what I can see. Attached a screenshot for reference.
Any ideas on what I can do to fix this? Screenshot attached for reference.
Thanks for help!

 
Solution
jr9
That's odd. If anything I'd expect higher temps with the GPU in slot 1 as it's closer to the CPU in that slot. The airflow pattern may have changed... In any case, 65C doesn't really give you much room to moderate/heavy overclock. You want to stay below 80C.

The issue here is most likely the 5930k. It's a 140W processor. I get 64C max with my air cooler on a stock 2500k but that's because my CPU is only 95W and most times it's well below that. If I had a 140W CPU my temps would be likely in the 80s.

If I had to figure out what was wrong with this system, I'd first try to test the cooler on another system with a non 140W CPU. A shop could do this. The issue is that there's little data on this cooler with 140W processors in terms on...
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mrkyle1983

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I can try putting paste back on - does it ever go bad? Think I've got the original paste I used like 3 years ago. I would think my CPU temps should be a little lower with a water cooled system as that screenshot is from under no load just sitting on the desktop.

I know I can configure the fans but since they are almost all temperature based they will be going on full blast all the time from the options I saw. Is there a way to disable that specific sensor?

Comp specs are below:
GTX 980 TI Hybrid
i7-5930k 3.5 ghz
16 GB - Vengeance® LPX 16GB (4x4GB) DDR4 DRAM 3000MHz C15 (CMK16GX4M4B3000C15)
Acer ‑ Predator XB271HU
Asus X99 Pro Mobo
Corsair 780T Case
Corsair H110iGTX Cooler

 
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jr9

jr9

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CPU paste doesn't need replacement contrary to what some think. Once it dries into a thermal contact point that's it. It only has to be replaced when the cooler is removed. If you think your CPU temps are too high then:

- Try setting the performance mode to balanced or quiet. Check temps. 65C is fine for a load temp.
- Remove side panel of case to see if airflow is an issue.
- Repaste/remount the cooler
 
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mrkyle1983

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Oops, I worded that poorly. I recently (~4 months ago) changed Mobos when trying to diagnose another problem and re-applied paste then. I was wondering more so how long paste in the tube/applicator is good for.

It looks like the CPU is hitting ~75 C under load,that seems a bit high for a water cooled system doesn't it?
 
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jr9

jr9

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Paste in the tube lasts for years.

If you are hitting 75C on stock clocks I would use CoreTemp first to get a 2nd opinion. I have seen misreadings from Corsair Link. If your temps are that bad in CoreTemp, I would consider a repaste and remount. If that doesn't help I'd turn up the pump/fan speeds and eye the temps. If no improvement the cooler may be dying. The pumps on AIO coolers are not known to be very reliable.
 
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mrkyle1983

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Just ran core temp - looks pretty close to what I am seeing in CorsairLink - low 70Cs after gaming for an hour or so.
I will try and remount/repaste the AIO and see if that helps and let you know!
Thanks for suggestions

Here is a SS of what I've seen from Core Temp
https://imgur.com/a/9gKu3
 
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jr9

jr9

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54C load is OK given it's a 140W CPU. On a stock 4770k the ideal load temp would be 46-48C on performance mode. The gap between balanced and performance seems too large. I would try quiet mode and see if you get temps no more than 10C higher than performance. They are less than 5C apart in the benchmark I'm seeing. Could be another Corsair link bug in the fan or pump speeds on that profile. Besides that I'd say you're good to go.
 
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mrkyle1983

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looks like the Max Temp with quiet mode on is 65C on one of the cores - which would be about 10C higher than performance mode.
Appreciate the help!
 
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jr9

jr9

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Sounds like Link being weird, quiet mode generally runs hotter than balanced. Well, 65C core max on quiet mode is something I could deal with for a high wattage CPU. If you aren't overclocking you have nothing to worry about. It won't start hurting the CPU until you are above 80C for long periods of time. For me the extra 10C cooler isn't worth the extra noise when you are already have safe temps.
 
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mrkyle1983

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So after almost 2 weeks - on performance mode the Max temps are hitting 66C now. Does that sound like the pump is probably failing?
 
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jr9

jr9

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Hmm, well 66C max is OK for now. Pump failure = 90C-100C+ or steadily rising temps. Keep an eye on it though. If it starts to increase into the mid 70s and 80s and a remount doesn't help I'd look into replacing the cooler under warranty. 66C for a stock clocked CPU definitely leaves a bit to be desired though especially with an expensive cooler. Again, the 5930k is higher wattage though. On a lower wattage 4790k you would expect maxes of about 56C with that cooler, so 66C doesn't seen that bad.
 
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mrkyle1983

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I swapped it to Balanced to see where it was sitting at as well - hitting a max of 75C on balanced now.
 
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jr9

jr9

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- You are not overclocking right?

- Do you have your radiator fans plugged into the CPU_FAN header and the pump on the SYS_FAN header? Or vice versa?

I'd keep it on performance mode unless it's too noisy. I've also seen that quiet and performance generally give the same temps. If your performance mode temps go from 66C to above 75C then I'd have the cooler replaced under warranty.

It's hard to say what a good load temp for a 140W CPU on that cooler would be because all the reviews are with lower wattage processors. The review I'm looking at gives just under 50C load for a stock 4770k and around 65C for overclocked. You could expect higher for a 140W CPU. Again, the differences between fan speeds is always under 4C.
 
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mrkyle1983

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Nope not OC
I think I've got it swapped, the cord for the pump only reaches to the cpu fan 3 prong - the radiator one is attached at bottom of the case/mobo
 
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jr9

jr9

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With the pump to CPU_FAN header config I'd make sure that in BIOS your "CPU fan" speed or in your case pump speed is constant. Pumps should always run at a constant speed which is why many people have the pumps connected to SYS_FAN headers or PUMP headers if you have a newer motherboard.
 
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mrkyle1983

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Pump looks like it is running at a constant ~3030-3060rpm from corsairlink from what I can see.
 
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mrkyle1983

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So I found another "problem" the other day when I was trying to figure out an un-related problem to the CPU temp. Months ago I had to RMA a GPU, when I put it back in I didn't realize I put it in slot #2 which on my MOBO only runs at 8x instead of 16x.
I swapped that to slot #1 and noticed my CPU temps have gone down a bit - seeing max of 65 on performance mode. Perhaps CPU was being overworked as the GPU wasn't pulling its weight.
I had wanted to try and OC the processor a bit, but am concerned the temp is still that high.
 
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jr9

jr9

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That's odd. If anything I'd expect higher temps with the GPU in slot 1 as it's closer to the CPU in that slot. The airflow pattern may have changed... In any case, 65C doesn't really give you much room to moderate/heavy overclock. You want to stay below 80C.

The issue here is most likely the 5930k. It's a 140W processor. I get 64C max with my air cooler on a stock 2500k but that's because my CPU is only 95W and most times it's well below that. If I had a 140W CPU my temps would be likely in the 80s.

If I had to figure out what was wrong with this system, I'd first try to test the cooler on another system with a non 140W CPU. A shop could do this. The issue is that there's little data on this cooler with 140W processors in terms on stock temps. There are too many variables to determine if it's just the cooler, installation, or CPU wattage as being the cause. If I got temps in the low-mid 50s on a normal 75-85W CPU, I'd know the cooler is performing. At that point I'd start trying for a light overclock. You won't be able to push 4.6GHz as it requires a lot of voltage to get these Hashwell-E processors stable at those clocks at that will give you high temps well past 85C. You'd need to look (assuming cooler works perfect) at delidding or stronger cooling solution. For a light overclock you should be able stay below 85C.

You could also just blind RMA the cooler and cough up the shipping costs if they send it back saying it works fine.
 
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Solution
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mrkyle1983

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Sep 24, 2017
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Wanted to drop a quick update on this to close it out. I went out and bought a Kraken X62 to replace the H110i GTX cooler, and it is a night and day difference. Idle CPU temps are at ~40C on silent mode for the pump/fan and temps under load are 60C on silent.

Definitely was something wrong with my other cooler so going to RMA it. Think I should be able to do a decent OC with this cooler setup!

Appreciate the help!
 
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