It would take maybe an hour of R&D time to patch in the standard USB 3.0 I/O kit.
This isn't some new fangled tech, it's a connection standard used on nearly bloody everything the world over.
If there is a technical limitation to overcome, it's involves DRM.
Probably to keep people from sharing their games via USB HDDs.
Either that, or they're actually going to slowly move back towards the original DRM platform over the life of the console.
(unlikely but possible, and that would require DRM-locked HDDs)
This isn't some new fangled tech, it's a connection standard used on nearly bloody everything the world over.
If there is a technical limitation to overcome, it's involves DRM.
Probably to keep people from sharing their games via USB HDDs.
Either that, or they're actually going to slowly move back towards the original DRM platform over the life of the console.
(unlikely but possible, and that would require DRM-locked HDDs)