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Comment by other_herbert | Hacker News Reader

Very nice :) I just bought it, this is a lot nicer to have around than switching back to the activity monitor.. I just recently got an m1 Mac air and since it's fanless and makes no obvious outside indication that something is busy it's hard to tell what's going on.

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M1 Mac mini reporting in... I can't get the fan to turn on. And I'm compiling as hard as I can...

Oh boy, you just gave me another reason to want the Mac Mini M1. I have had two previous Mac Mini's (and one is actually still operational 24/7, despite being 12 years old). Such a brilliant little machine, and much better value than say an iMac as there are tons of good screens out there. I am wondering though whether it supports dual 4k screens at 60Hz. I don't think HDMI can do that, so it would have to be DisplayPort.

Apple says that the M1 Mac Mini supports:

> One display with up to 6K resolution at 60Hz connected via Thunderbolt and one display with up to 4K resolution at 60Hz connected via HDMI 2.0

That is, it does support two 4K screens at 60 Hz.

Note that this is in contrast to the M1 MacBooks which only support one external display in addition to the laptop display.

M1 Macbooks reportedly support also 4k/120hz, and 4k/144hz/hdr with DSC, so it's quite possible that Mini would too

HDMI can do that, but unfortunately the M1 can't.

Not really - even if the computer could do it on its side, my relatively new 4K Dell screen does not support the HDMI standard required to do 60Hz. It does 30Hz but then I would rather use an old CRT.

I don't know what standard your monitor supports. But hdmi 2.1 can certainly do 4k@60. And most new devices and monitors are coming with hdmi 2.1 support.

If the monitor is more than a year old it's probably using technology that is 3 years old, etc. Then it means a lot of current monitors have this issue. But it will improve, so that's good.

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