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Can consumer devices even transfer data that fast? Or is this future-proofing?


High end displays can. 8k60Hz at full (8-bit) color depth and chroma (4:4:4) is around 64Gbps. The article notes that with some features of the spec to reduce bandwidth, this enables "8K144 HDR with Display Stream Compression and no chroma subsampling" with room to spare.

It's a common complaint of even current generation displays & docks that dual display 4k 60Hz docks are few and far between, and good luck getting even one display at 4k 120Hz on docks. My experience there is mostly miss, rarely hit.


You can bet Apple is dying to release a 6K 120Hz (Promotion) Pro Display XDR.

Be interesting if this USB4 v2 ends up in the upcoming MacBook Pro M2.


Yep I’ve been itching to upgrade my monitor, but 4k 120Hz is still as good as it gets without compression. This is a DisplayPort limitation which should improve over the next year or two as new GPUs are released


I mentioned in a previous version of this discussion that PCIE5 NVME is specced to > 14GB/s, and I'd really like to have external drives capable of that.




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