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macos - Why does the 14" M1 Macbook Pro support 5120x1440@70hz when using an HDMI 2.0 USB-C dongle, but not via the built in HDMI 2.0 port? - Super User
![HDMI 2.1 Specification to Add Support for 4K @ 120 Hz, 8K and 10K Resolutions. New 48G Cable Required. - CNX Software HDMI 2.1 Specification to Add Support for 4K @ 120 Hz, 8K and 10K Resolutions. New 48G Cable Required. - CNX Software](http://www.cnx-software.com/wp-content/uploads/2017/01/HDMI-2.1.jpg)
HDMI 2.1 Specification to Add Support for 4K @ 120 Hz, 8K and 10K Resolutions. New 48G Cable Required. - CNX Software
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