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  #1  
Old 07-30-2018, 05:03 AM
cmx1993 cmx1993 is offline
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Default How high can the temperature of the H115i be so that the pump will not be damaged

Hi Community,

I have a question.
How high can the temperature of the corsair H115i be so that the pump will not be damaged?
I have 28 Celsius in my room anderen get 40-42 Celsius of water temp.
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  #2  
Old 07-30-2018, 07:54 AM
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It can definitely do 50C and not be damaged. So you're good from that perspective.

However, that doesn't mean that you necessarily want it that warm. And that kind of delta between the ambient temperature and the coolant temperature is usually indicative of a case air flow problem; specifically that the case airflow isn't properly exhausting heat from the GPU. I'm assuming that your cooler is configured as exhaust? Can you provide info on how your cooler is configured and mounted? (Note: we've seen issues with the BeQuiet cases when the cooler is configured as exhaust in the top. Heat builds up in the top of the case. Try flipping the fans over to intake when installing in the top of the BeQuiet cases.)

What temperature are your case fans using as their control variable?
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  #3  
Old 07-30-2018, 08:02 AM
c-attack c-attack is offline
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It's not that hard to get to the low 40s in Summertime when you start off in a room in the upper 20s. However, as mentioned once you start getting into 45-50C, you need to ask questions about why things are that warm. There could be a very simple explanation (980 Ti SLI), but you need to find out.

As for product limitations, Corsair does not publish maximum water temperatures. Various other brands will put it in the 50-60C range. However, that is a not a hardware failure point but rather effective end CPU temperature limitation. If your coolant temp is 60C, then that is also the minimum possible CPU temp when the voltage is 0 and cores dormant. Of course you won't stay like that and most CPUs in stock configurations will have a coolant to core temp differential of +35-40C. Starting at the 60 base, that puts you into near shutdown the moment the CPU dedicates any effort to do something. You certainly can't run a 7700 or 8700K at default settings with a 60C coolant temp. But once again, if you are sitting there reading this and your coolant temp is 50-60C, you have a problem and it is likely the cooler needs some attention.

Last edited by c-attack; 08-01-2018 at 11:29 AM.
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Old 07-30-2018, 08:30 AM
cmx1993 cmx1993 is offline
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so if i do not play a coolant temperature of 30-33 celsius. when I play the coolant has a maximum of 44 Celsius. that should be temperatures but be okay with the warm temperatures in the summer? I mean I have a room temperature of 27-28 celsius[/SIZE]
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Old 07-30-2018, 09:06 AM
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Most people will see an average coolant temperature of +4-7C above their room temperature. Case layout, CPU model, BIOS and power settings all have impact on that value. So, 30-33C in a 27-28C room? Just fine and as expected. If you are going +10-12C while gaming, odds are much of the heat is GPU related. If you want to test, run a CPU only test for 10-15 minutes. You will probably see the coolant rise +6-7C at 100% CPU usage. Obviously a game will use less, but take note of your motherboard and/or drive temperatures when gaming. They also likely go up +5-6C and that as a result of the GPU heating up the case. No getting around that except with extreme measures, but it also means you don't need to worry about the cooler. The summertime boost in room temp often puts people into a end temperature zone. Subtract 10C from every component in the case and we are probably not having this discussion. Winter is good for some things.
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Old 07-31-2018, 01:08 PM
tiessar tiessar is offline
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60C is the limit, I see well over 40C coolant temp due to my aggressive silence orientated fan profile. It would be pretty impossible to hit 60C coolant temp without reaching CPUs thermal limits first.
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Old 08-01-2018, 11:13 AM
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as everyone has already touched based on the safe coolant range is between 30C to about 55C. If it's starting to exceed that there then there could be something not right with the pump itself.
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Old 08-15-2018, 08:01 PM
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Heyhey guys i Need to ask about my temp i have a i7 8700k overclock to 4.7 ghz with 1.220 voltage and my water hitting 44c the System is closed is this temp okay for a i7 8700k or is it to mutch for the water
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Old 08-15-2018, 09:23 PM
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Not in terms of it being 44C = danger, however that does offer a decent sized penalty to end CPU temps. Whether or not this is a cooler problem or a heat management problem likely turns on the the change in coolant temperature when under load.

What kind of change do see currently see in H115i Temp (coolant temperature) when in use? What is the baseline? I can see the peak of 44C. Most people will have a baseline of around +4-7C above their room temp (or same as the interior case temp).

An 8700K at 1.22v should cause the coolant temperature to go up about +5C on a 280mm radiator when under a max CPU only load. For the moment, we need to cut the GPU out the equation.

How does your system respond?
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Old 08-15-2018, 10:43 PM
Bury311 Bury311 is offline
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yeah its the same with out gpu thank your for the help now i need to watch how i get a good case with nice airflow
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Old 08-15-2018, 11:18 PM
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Can you add a little more detail? What is your normal idle coolant temp? If it is staying at 40-44C all the time and the case is not that temperature, then there may be a cooler issue.
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Old 08-16-2018, 07:18 AM
Bury311 Bury311 is offline
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its only when iam gaming or when iam benching the cpu/gpu
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Old 08-16-2018, 07:51 AM
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OK, but be specific so we can evaluate if things are working properly. For example, it gets quite warm in the afternoon in this room at my baseline coolant temp is at 29-30C, just barely above the room temp. My delidded 8700K at 5.0/1.30v has never gone past 35C. So, about a +5-6C rise. This is the expectation with a 280mm radiator. Now the GPU can change the balance. Mine is on a separate cooling loop mostly eliminating any contribution. It would not be unheard of for the GPU to add another 8-10C to the total case temperature, but you would see this as low 40s liquid temp (H115i Temp) and the same for hard drives, SSDs, the motherboard sensor, and anything else in the case. If the liquid temp is 44 and the drives and motherboard temp sensor all in the mid 30s, that may suggest a problem.

More to the point, if you are getting into the mid 40s in a CPU only stress test (10-15 minutes), then we really need to take a careful look at what is happening. At 1.22v, I really only expect a +5 coolant temp rise. Even delidded, at 44C liquid temp, that likely puts your peak CPU core temps into the 70s and that should be out of reach for your hardware and settings.

*OK, I see the case now (CM Masterbox Lite 5). Since this is a front mount, intake set-up, GPU heat should not be as impactful. It is possible the solid front fascia with open top/bottom venting poses more restriction that a fully open case. However, from what I have seen with other people, that newer design has a deeper opening and is less restrictive than most other cases with a solid front. Can we be specific with the numbers?

1) When you turn on your PC from an off or sleep state, what is the H115i Temp Liquid Temp? Does it stay there? Or slowly rise to a higher level?

2) What is the change when you run a CPU only stress test? You only need to run it for 10-15 minutes to demonstrate this. The coolant should go up at a steady +1C per minute rate for about the first 5 minutes, then level off. You will be able to see this both on the H115i Temp line and the CPU Package temp ticking up by +1C every minute or so.

Last edited by c-attack; 08-16-2018 at 07:59 AM.
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  #14  
Old 08-16-2018, 08:43 AM
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when i start the pc its by 29c water temp it going up by playing and benchen when i only use a cpu Bench its going up to 41c water temp by closed system i have try to open my case now its by 36c water temp all the time outdoor is it 29c
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Old 08-16-2018, 08:50 AM
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Quote:
Originally Posted by Bury311 View Post
when i start the pc its by 29c water temp it going up by playing and benchen when i only use a cpu Bench its going up to 41c water temp by closed system i have try to open my case now its by 36c water temp all the time outdoor is it 29c
This is indicative of a case airflow issue. What case do you have? (hint: fill out your system specs so we have something to refer to!)
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