Does this support 4K at 60Hz for Macbook Air 2019?

I want to buy this for my MacBook Air 2019 but it does not say that it supports 4K at 60HZ for Macbook Air 2019. I need an adaptor that supports 4K at 60 Hz.

USB-C Digital AV Multiport Adapter

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2 Answers from the Community

  • No. The MacBook Air 2019 is limited to DisplayPort 1.2 because it uses Intel UHD Graphics 617 (instead of AMD graphics or the newest Intel Ice Lake graphics). DisplayPort 1.2 allows 4K 60Hz with four lanes of DisplayPort but this adapter uses two of the four lanes for USB 3.0. The adapter supports 4K 60Hz only for computers that support DisplayPort 1.4. To achieve 4K 60Hz, it might use chroma sub sampling 4:2:2 with HBR3 (requires DisplayPort 1.4) or 4:2:0 (requires DisplayPort 1.4) with HBR2.

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  • No. I have tried and only get 4K 30Hz.

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