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I found this part about PCIe expansions interesting: "For those who rely on PCIe expansion cards for their workflows, Thunderbolt 5 allows users to connect an external expansion chassis with higher bandwidth and lower latency."

(Maybe this is a feature that Apple has supported for a while, but I am unaware) Does this mean they will be officially supporting all PCIe devices like GPUs? Or do they only mean certain PCIe components like SSD expansions and network interfaces?



This has been a thing for quite a while. Thunderbolt is, in part, PCIe over serial (now USB C). There have been GPUs in external boxes, so it is undoubtedly possible, but I don't think they have many users.

Edit: BlackMagic was what I was thinking of https://support.apple.com/en-gb/102103. 'Requires intel processor'




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