“Does the UX5400ZB use PWM to adjust brightness? Also, I assume the 550 nits is with HDR - if that is correct what is the highest brightness level with SDR content? Thank you.”

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• Yes, it uses PWM and HDR brightness is 550nits. SDR is not measured since the laptop doesn't utilizes CRT display.

  Answered by ASUS Answers 3 years ago

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