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4k@144hz Multi Stream Transport (MST) Hub

Updated on 13-01-2021 in MST Hub
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2 on 12-12-2020

Is there a release date for a 4k 2160p @144hz Multi Stream Transport (MST) Hub DisplayPort 1.4 Triple Monitor or even just dual?

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Baak 0 on 17-12-2020

Technically it is not possible as it goes above the bandwith of DP1.4.

4K 144Hz is already at the max of DP1.4. You really need to wait for DP2.0 which would be approx. 77Gbps.

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joevt 0 on 13-01-2021

The CSV-7300 DisplayPort 1.4 MST Hub supports DSC so it should be able to do at least one 4K 144Hz display.

Although DSC can double or triple the bandwidth of DisplayPort 1.4, I don’t know if that’s enough for multiple 4K 144Hz displays.

The MST Hub can do triple 4K 60Hz 8bpc RGB with DSC. That is less than double the bandwidth of DisplayPort 1.4, so I guess DSC is less efficient with MST? Or there are limits to the amount of compression/decompression the MST Hub can do?

 

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