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choapasdude Author

Level 1

4 points

M1 two external 4K monitors

Can I connect two monitors 4K 60 Hz M1 Pro with USB mouse and Power?

Posted on Dec 22, 2021 4:26 PM

Top-ranking reply

Grant Bennet-Alder

Level 10

132,373 points

Posted on Dec 22, 2021 5:47 PM

Yes, BUT: 4K @ 60 Hz over HDMI requires certified cables:

The cables you want for HDMI-only Monitors (higher resolutions than 720p TV sets) are marked as Certified with an anti-counterfeiting tag and are labeled:

"Premium High Speed HDMI cable" or that + "with Ethernet" --OR--

"Ultra High Speed HDMI cable" or that + "48G"

Cables with No Certification tags are good for your standard 720p TV set, and not much more.

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M1 two external 4K monitors

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