macbook pro – What’s the max refresh rate for external display for my MBP?

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I have a 2021 14″ MBP


The specs state:

  • Native DisplayPort output over USB‑C
  • VGA, HDMI, DVI, and Thunderbolt 2 output supported using adapters (sold separately)

Now, DisplayPort 1.4 supports refresh rates up to 240hz – and I am assuming my MBP is 1.4, and not 1.2 – but is that still true of usb-c to DisplayPort

Thunderbolt 2 can't go higher than 60hz, neither can HDMI – but DVI supports up to 144hz.

I am unsure what is the highest achievable refresh rate for an external display or how to achieve it with the correct adaptor.

Author: Subham

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