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Grumply

macrumors 6502
Original poster
Feb 24, 2017
285
194
Melbourne, Australia
I’ve just picked up a 5600m 16” MBP for travel work, and have been looking into external cooling options to help keep operating temperatures under control (I do video work, so things heat up).

All of the “laptop cooling pads” using fans, seem largely unhelpful. So I was wondering if anyone had investigated more outside the box options?

I’ve just stumbled across this mug heater/cooler which claims to go down to -6 degrees (celcius). Has anyone tried using something like this to bring down operational temps when the laptop is under load?

 
Try and order this. if it does not work send it back. it has good reviews.

 
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I think you generally don't want to make contact between something that goes sub zero and the chassis or components for long periods of time due to the risk of condensation. There is a reason why those extreme OC'ers have to insulate the motherboards so well to avoid shorts.
 
You could try one of these. I have the two-fan version which puts out 166 CFM. These are basically desktop case fans and a lot of desktops only have one of them to stay cool. These things will move far more air than any USB-powered fan setup.

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IMO you have the “right” idea as the laptop coolers and fans will help very little. I reckon you’d need to carry out quite a serious cooling mod to keep those Intels cool. Maybe a better option to return it and get an Apple Silicon-based MBP?
 
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Cut a hole in the base, remove the cooler and replace it with a water cooled block. Should do the trick ?
But, being serious, you are probably best to install fan control software so you can ramp the fan speeds up rather than wait for the system to reach temps that Apple allows before they spin the fans up. Apple always let things get hotter to keep fan noise down.
 
I installed Macs fan control because my MBP m1 had a tendency to not turn on its fans because someone somewhere decided that letting heat buildup so fans could stay off was ok. I understand enough physics to know that letting internal components get hot so fans can sit idle is, well, stupid. Thus I've got my fans rolling around 2k rpm and my chips stay under 30c, usually around 28c even when it use. They allow custom RPM by temperature settings in the app so you can set your curve to what you want and prevent throttling and damage from heat while working.
 
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Fundamentally, if cooling is such a concern, a desktop would be a much better solution.
 
I’ve just picked up a 5600m 16” MBP for travel work, and have been looking into external cooling options to help keep operating temperatures under control (I do video work, so things heat up).

All of the “laptop cooling pads” using fans, seem largely unhelpful. So I was wondering if anyone had investigated more outside the box options?

I’ve just stumbled across this mug heater/cooler which claims to go down to -6 degrees (celcius). Has anyone tried using something like this to bring down operational temps when the laptop is under load?

honestly, nothing will really make a difference. A fan blowing on the case isn't going to do anything. I also do a lot of video work so I know what you mean, this is why I went with a M1 Pro 16".
 
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