> Make sure your dock, dongle, and/or cables aren’t bottlenecks. I've switched docks, dongles, cables, to no avail. Support also varies a lot between M chips,

> Make sure your dock, dongle, and/or cables aren’t bottlenecks. I've switched docks, dongles, cables, to no avail. Support also varies a lot between M chips, and Thunderbolt often doesn't support high refresh rates https://support.apple.com/en-us/101571 https://support.apple.com/en-us/101571 I can't remember now the actual setup I had, sadly