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What temps are safe for semi-passive cooling?

daninthemix
By daninthemix
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I was thinking about setting up fan profiles for my chassis fans. The CPU fan will stay on all the time, but I thought the chassis fans could turn off below a certain temperature. The question is: what temp? And for that matter, what temps will the ASUS BIOS measure? Is it possible for the fans to turn on when either the CPU or the motherboard hit a certain temp? (and again, what would those temps be?)

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Anything under 75 should be good. I would recommend to put the exhaust fan at least 10%, so the heat from the CPU has somewhere to go. You can use Asus Fan Xpert to control fans.

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1 minute ago, i7-6700K said:

Anything under 75 should be good. I would recommend to put the exhaust fan at least 10%, so the heat from the CPU has somewhere to go. You can use Asus Fan Xpert to control fans.

Luke made a Video about this case fan topic 

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4 minutes ago, daninthemix said:

I was thinking about setting up fan profiles for my chassis fans. The CPU fan will stay on all the time, but I thought the chassis fans could turn off below a certain temperature. The question is: what temp? And for that matter, what temps will the ASUS BIOS measure? Is it possible for the fans to turn on when either the CPU or the motherboard hit a certain temp? (and again, what would those temps be?)

At stock speeds , the cpu shouldn't go over 60C . Maybe set the fans to turn on at that temp ? Just  make sure you have a beefy heatsink , otherwise passive cooling won't be enough for idle and such , so the fan will always be on...

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Thanks guys. But will the Asus thing also monitor the temperature of the motherboard itself? Was wondering whether those fan profiles should be looking at more than just the CPU. In fact, can they look at more than just the CPU?

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1 minute ago, daninthemix said:

Thanks guys. But will the Asus thing also monitor the temperature of the motherboard itself? Was wondering whether those fan profiles should be looking at more than just the CPU. In fact, can they look at more than just the CPU?

the motherboard would be cooled passively anyway , even with a decent air cooler / AIO .

 

I wouldn't worry about it.

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You could do what i do.  i use a program called speedfan which lets me set a fan curve at a full 0-100% range and you can set different fans to ramp up when other components heat up like your graphics card, motherboard, or even your hard drives.  

HTID

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25 minutes ago, Stefan1024 said:

24/7: 80°C

peak: 90°C

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15 hours ago, daninthemix said:

Thanks guys. But will the Asus thing also monitor the temperature of the motherboard itself? Was wondering whether those fan profiles should be looking at more than just the CPU. In fact, can they look at more than just the CPU?

BIOS will measure both. But CPU and case fan headers are controlled by CPU temp. You can use Speedfan to setup any mobo or GPU sensor as base.

 

As for temps. I would use 50-55C CPU temp as shutdown temp for fans. That is temp under which fans aren't really needed. Above that and until 70-75C is good for 50% or so fan speed. Above that set them at so high speed as you are comfortable with noise they make. Mine don't go over 75%.

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depending on your mobo Asus AI suite has Asus fan xpert that can set fan profiles off mobo and cpu temp and it can set fans to be shut off until certain temps are met. Saw in another post that you're working on an Asus z170-a, Speedfan isn't cooperating with mine, but as I said fan xpert should do what you want

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