PS5 games use BD-66 and BD-100 but Xbox Series X games are still limited to BD-50

[BrownianMotion]

Originally Posted by PenguinInfinity

If games were run directly off the Blu-ray disc instead of being installed to the SSD then the Blu-ray drive would certainly be the bottleneck, not the GPU or CPU. I believe that's the point that BijouMan was making.

He would be correct then, but that would be one of those "captain obvious" type posts. Blu-ray drives have far slower read speeds than even HDDs, and HDDs were already a bottleneck in certain situations in previous generations (primarily in loading times.)