Dangerously high temps when overclocking 4790K on H100i.

[TheSLSAMG]

So, my i7 and I have just run into a dilemma.

 

First off, the build I am speaking of is The Standard. Specifications are available on my profile.

 

So, the parts in question are my 4790K, the push/pull H100i and my ASUS Z97 Pro.

 

The CPU, when overclocked to 4.7GHz/1.265V (which it can take just fine) is not being properly cooled. When running a maximum stress level test in IntelBurnTest, the CPU sits around 70C and then, without any warning, bolts up into 100+C. But from what I have been told, an H100i should be capable of cooling this beast. The board is fine. If anything, it sometimes likes to try to overvolt the CPU, but I am monitoring the voltage with CPU-Z and nothing ever exits normal boundaries. I have checked that the cooler is properly mounted, and it is so. As well as remounting the block with both IC Diamond 7 and Noctua NT-H1 (not at the same time).

 

My questions are:

1. Can the cooler actually handle it, or is a 240MM AIO not enough?

2. If so, what cooler should I replace it with? Should I go for a custom loop, or get a Swiftech H320/Thermaltake Extreme 3.0?

3. If not, what is wrong here? Anything I didn't try that I should?

 

And by the way, I know about the backplate issues with the H100i, but mine doesn't seem to be affected.

[DarkR3bel]

For 1.265 a 240mm should be enough. Try running the 4790K @ stock and see if anything similar happens.

[othertomperson]

At that voltage a H100i should be fine.

[GzeroD]

So, my i7 and I have just run into a dilemma.

 

First off, the build I am speaking of is The Standard. Specifications are available on my profile.

 

So, the parts in question are my 4790K, the push/pull H100i and my ASUS Z97 Pro.

 

The CPU, when overclocked to 4.7GHz/1.265V (which it can take just fine) is not being properly cooled. When running a maximum stress level test in IntelBurnTest, the CPU sits around 70C and then, without any warning, bolts up into 100+C. But from what I have been told, an H100i should be capable of cooling this beast. The board is fine. If anything, it sometimes likes to try to overvolt the CPU, but I am monitoring the voltage with CPU-Z and nothing ever exits normal boundaries. I have checked that the cooler is properly mounted, and it is so. As well as remounting the block with both IC Diamond 7 and Noctua NT-H1 (not at the same time).

 

My questions are:

1. Can the cooler actually handle it, or is a 240MM AIO not enough?

2. If so, what cooler should I replace it with? Should I go for a custom loop, or get a Swiftech H320/Thermaltake Extreme 3.0?

3. If not, what is wrong here? Anything I didn't try that I should?

 

And by the way, I know about the backplate issues with the H100i, but mine doesn't seem to be affected.

Bad link somewhere in that chain there is no way that a H100i is going to be unable to cool a that I7.

 

could the H100i have a faulty pump ?

or if the pump is still registering RPM's a faulty propeller?

[mosin40]

Maybe you should underclock your CPU down to 4.4-4.5GHz and then try to run prime95 or aida64 and check for your temps

[79wjd]

1. Can the cooler actually handle it, or is a 240MM AIO not enough?

It's just really dependent on the chip.....Your chip may just run hot when doing a certain task. 

 

My 4690k @ 1.25 v (Seidon 240m) peaks around 96ºc.

[Enderman]

It should be fine, but I would add the washers behind the backplate just in case anyway.

[flibberdipper]

Are you sure the pump is going quick enough, and that it doesn't die after a period of time?

[Queek]

So, my i7 and I have just run into a dilemma.

 

First off, the build I am speaking of is The Standard. Specifications are available on my profile.

 

So, the parts in question are my 4790K, the push/pull H100i and my ASUS Z97 Pro.

 

The CPU, when overclocked to 4.7GHz/1.265V (which it can take just fine) is not being properly cooled. When running a maximum stress level test in IntelBurnTest, the CPU sits around 70C and then, without any warning, bolts up into 100+C. But from what I have been told, an H100i should be capable of cooling this beast. The board is fine. If anything, it sometimes likes to try to overvolt the CPU, but I am monitoring the voltage with CPU-Z and nothing ever exits normal boundaries. I have checked that the cooler is properly mounted, and it is so. As well as remounting the block with both IC Diamond 7 and Noctua NT-H1 (not at the same time).

 

My questions are:

1. Can the cooler actually handle it, or is a 240MM AIO not enough?

2. If so, what cooler should I replace it with? Should I go for a custom loop, or get a Swiftech H320/Thermaltake Extreme 3.0?

3. If not, what is wrong here? Anything I didn't try that I should?

 

And by the way, I know about the backplate issues with the H100i, but mine doesn't seem to be affected.

Does the same problem happen when you run a stress test on AIDA64, or during normal usage?  How long does it spend at 100°C (is it a brief spike or does it ramp quickly and stay high)?

The H100i should be able to handle that processor with no issues.  It's probably not a bad pump or anything to do with the cooler, a pump or fan failure would result in a gradual increase in temperature, not the spike you're describing.  It takes time for the cooling fluid to heat up.  

[TheSLSAMG]

This is a fast reply from my phone, so apologies for the lack of any tagging.

I have not run the chip in AIDA, but the temp loads are not spikes, they are sustained.

And can someone please report the post recommending nitrogen? I can't on mobile.

I will try running AIDA64, along with running stock to see what becomes of it. For now, thanks for the help so far guys.

[Spongy141]

Maybe it's just reading the temps incorrectly.

[Faa]

Yeah it's just the baseplate not making proper contact with the CPU, backplate is quite bad on the H100i's. Try unscrewing the thumb screws, don't remove the block, when screwing them back keep applying pressure to the backplate.

[Faceman]

Chances are its a problem with the H100i not making proper contact.  Very common problem and why I don't recommend H100is.  They aren't guaranteed to work for everyone out of the box without modifications.

 

Links:

http://www.overclock.net/t/1482988/should-i-really-add-extra-washers-to-the-corsair-h100i-back-plate-to-make-it-fit-more-snug

http://forum.corsair.com/forums/showpost.php?p=623994&postcount=3

[airdeano]

So, my i7 and I have just run into a dilemma.

 

My questions are:

1. Can the cooler actually handle it, or is a 240MM AIO not enough?

2. If so, what cooler should I replace it with? Should I go for a custom loop, or get a Swiftech H320/Thermaltake Extreme 3.0?

3. If not, what is wrong here? Anything I didn't try that I should?

 

And by the way, I know about the backplate issues with the H100i, but mine doesn't seem to be affected.

 

i'm running a H100i (divorced fans - motherboard controlled) 1.37v 85° H100i fans

at 1800rpm. i have run it with/without the backplate mod and there is no difference

in temperature using a 87 impact, GENE, Hero or Extreme.

 

even went as high as 1.45v to 92° fans at 2600rpm. 

 

1. yes, the H100i can handle it
2. optional hardware can possibly lower the operating temperature 10-20°
3. are you stress testing under adaptive voltage mode?

[TheSLSAMG]

 

i'm running a H100i (divorced fans - motherboard controlled) 1.37v 85° H100i fans

at 1800rpm. i have run it with/without the backplate mod and there is no difference

in temperature using a 7 impact, GENE, Hero or Extreme.

 

even went as high as 1.45v to 92° fans at 2600rpm. 

 

1. yes, the H100i can handle it
2. optional hardware can possibly lower the operating temperature 10-20°
3. are you stress testing under adaptive voltage mode?

 

No, I am stress testing under fixed voltage mode. In that, I need to straighten something up. Is IntelBurnTest an adequate stress test, or is it not?

[airdeano]

No, I am stress testing under fixed voltage mode. In that, I need to straighten something up. Is IntelBurnTest an adequate stress test, or is it not?

 

i use XTU (can tune in a window) to test voltages, multipliers, etc.. when you change

the voltage, you select static voltage as the adaptive can/will insert more voltage to

overcome the load (predetermined with the mobo BIOS).

 

IBT is like P95 (pretty much the same algorithm) but with different side-loading in memory.

[TheSLSAMG]

Maybe you should underclock your CPU down to 4.4-4.5GHz and then try to run prime95 or aida64 and check for your temps

 

 

Does the same problem happen when you run a stress test on AIDA64, or during normal usage?  How long does it spend at 100°C (is it a brief spike or does it ramp quickly and stay high)?

The H100i should be able to handle that processor with no issues.  It's probably not a bad pump or anything to do with the cooler, a pump or fan failure would result in a gradual increase in temperature, not the spike you're describing.  It takes time for the cooling fluid to heat up.  

 

 

 

i'm running a H100i (divorced fans - motherboard controlled) 1.37v 85° H100i fans

at 1800rpm. i have run it with/without the backplate mod and there is no difference

in temperature using a 87 impact, GENE, Hero or Extreme.

 

even went as high as 1.45v to 92° fans at 2600rpm. 

 

1. yes, the H100i can handle it
2. optional hardware can possibly lower the operating temperature 10-20°
3. are you stress testing under adaptive voltage mode?

 

 

 

i use XTU (can tune in a window) to test voltages, multipliers, etc.. when you change

the voltage, you select static voltage as the adaptive can/will insert more voltage to

overcome the load (predetermined with the mobo BIOS).

 

IBT is like P95 (pretty much the same algorithm) but with different side-loading in memory.

 

Alright, here is an update.

 

So, I am currently running the CPU with Intel XTU's built-in load test, and the CPU, which is now running 4.7GHz/1.3V is hitting 83C at the max. Could this possibly reinforce IBT being a bad tool, or maybe is it just too thorough?

 

 

Chances are its a problem with the H100i not making proper contact.  Very common problem and why I don't recommend H100is.  They aren't guaranteed to work for everyone out of the box without modifications.

 

Links:

http://www.overclock.net/t/1482988/should-i-really-add-extra-washers-to-the-corsair-h100i-back-plate-to-make-it-fit-more-snug

http://forum.corsair.com/forums/showpost.php?p=623994&postcount=3

 

I have known about the issue and explored it as an option, but it is not the issue here.

[Chocol8milkman]

I mounted my H100i with rubber washers from a hard drive cage - works really well. Sucks that the pump on my H100i died though.

 

See here: http://linustechtips.com/main/topic/233243-need-some-help-with-over-heating-cpu/

[biggiebigs123]

how hot can you run 4770k at before its in the danger zone ?

[Faceman]

how hot can you run 4770k at before its in the danger zone ?

85C for continuous use.

[DildorTheDecent]

Ah yes Intel burn test. My 3570K tops out 2 cores at 105C doing that. Rest are at 95C an 90C.

And that is a jump from 50-60C when I click start. Well actually after it has done a 'warmup'

But IBT manages too get a lot of heat out of CPUs.