Ehhh, from what we know this is more than just a new SSD in the console. The entire bus and system was designed from the ground up to take advantage of the new technologies; so while it is "just" an SSD, if its working as advertised, then it's an SSD operating at peak efficiency because everything on the board was designed to take that piece and remove the bottlenecks.
Basically, the benefits should be more pronounced than if you just put an SSD in your ps4 or One. The bottlenecks should be opened or worked around. But of course, this is all just expectations set by Sony themselves so who knows if they pull through. The one interview where they talked about the bus and how they're using SSDs really painted a good picture though. I'm on mobile or I'd link yall.
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