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iMac Mini M4 Air Clearance for Cooling

Hi, I have ordered an iMac Mini M4 (24/512), should arrive by the end of the week and was going to store it under my desk. However as you can see in the attached photo, there will only be about 1cm of air space between the top of the iMac and the timber desk, will this be enough air space to allow for adequate cooling? Let me know your thoughts, thanks.

Posted on Jan 18, 2025 4:17 PM

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4 replies

Jan 18, 2025 6:50 PM in response to gpedley

It's hard to tell how wide and deep the inside of that rack is.


The M4 Mac mini is 5" x 5" x 2" tall and the power button is on the bottom rear corner.



Plus the Air Intake and Exhaust vents are located around the bottom cover.




If the M4 Mac mini does not fit down in or on the rack. There are several after-market mounts that can be used to hang the M4 Mac mini on the bottom of the desk or on the back wall. see > m4 mac mini mount

Jan 18, 2025 9:47 PM in response to den.thed

It’s about 5 1/2” deep. I think I have a better solution, I’ve bent a 5-6” section of the end of the rack down so the Mac sits at the bottom level of the rack which would leave a 2” gap between the top of the Mac and the bottom of the desk (the box in the box is the same dimensions as the iMac mini), hopefully this will allow enough air cooling?

Jan 19, 2025 7:05 AM in response to gpedley

Like you, I've ordered an M4 which I don't have yet. But judging from my experience with the M1 Mini, I believe you should be fine with that setup, cooling-wise. The M1 never gets more than barely warm to the touch in my experience and I've never heard the fan (and I have mine in an enclosed cabinet under my desk). It just doesn't get that hot. It's possible the M4 may generate more heat, but I would doubt it. And you have the bottom open where the fan will be blowing, so that's a good thing, also.


Jan 19, 2025 8:18 AM in response to gpedley

gpedley wrote:

It’s about 5 1/2” deep. I think I have a better solution, I’ve bent a 5-6” section of the end of the rack down so the Mac sits at the bottom level of the rack which would leave a 2” gap between the top of the Mac and the bottom of the desk (the box in the box is the same dimensions as the iMac mini), hopefully this will allow enough air cooling?


Yes that should work fine.

iMac Mini M4 Air Clearance for Cooling

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