I5 3570k overheating question.

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sethwilliam

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Mar 23, 2013
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I'm going to buy a i5 CPU for my build and after reading up on CPUs I read that if your fan stops working the CPU will fry itself in a matter of minutes. This really worried me as I don't want my fan to break/be DOA and then burn out my CPU. Then I looked more into it and found out CPUs/motherboards have a fail safe in which they will auto shutdown your pc if temps are to high on your CPU.
I just wanted to make sure this CPU/motherboard has this or some kind of protection in case my fan breaks. (CM 212 Evo)


Cpu: I5 3570k
Motherboard: Msi z77A G43

 
Solution
DarkSable
The overclock affects the failsafe for two reasons - one, most people increase the failsafe level a bit so that they can overclock higher, and two, overclocking causes heat to accumulate quicker.

You're fine if you've got something like the 212 EVO to take care of heat, because it's got a large enough heatsink that even if the fan fails, there'll be enough time for the CPU to downthrottle correctly due to heat.
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mauller07

mauller07

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Mar 28, 2010
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ALL motherboards have overheat failsafes, you can even lower the threshold to alert you or shutdown the computer.

also i tend to find the computer will crash out before major damage occurs since your heat sink is still removing heat for it to rapidly heat up and cause major damage.

it is very unlikely that a fan will just not work or stop working because they are very simple electric machines.
 
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DarkSable

DarkSable

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Sep 27, 2012
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The only reason to be worried is if you're overclocking - generally, first, thermal limits are set higher, because you're running at higher temperatures. Second, when overclocking, the processor heats up considerably faster - that's when it can cause problems.
 
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sethwilliam

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Mar 23, 2013
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I will rarely OC but when I do I know it heats up but that's what the CM 212 Evo is for instead of stock fan. Wouldn't it still shut down from overheating during OC if the fan dies? Why would OC affect the failsafe?
 
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DarkSable

DarkSable

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Sep 27, 2012
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The overclock affects the failsafe for two reasons - one, most people increase the failsafe level a bit so that they can overclock higher, and two, overclocking causes heat to accumulate quicker.

You're fine if you've got something like the 212 EVO to take care of heat, because it's got a large enough heatsink that even if the fan fails, there'll be enough time for the CPU to downthrottle correctly due to heat.
 
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