The Sony PlayStation 5 comes with an internal 825 GB PCIe 4.0 SSD which offers around 667 GB of usable storage for games and other content. With new games such as the latest Call Of Duty easily taking over 100 GB the need for more storage has never been more evident. Sony has prepared for this eventuality by including an internal M.2 drive bay on the PS5 to expand the available storage. The shift to ultra-fast storage on this latest generation of consoles has limited their ability to support external storage as new games developed for the consoles will expect a certain level of performance. Sony will reportedly enable software support for the M.2 slot with a limited selection of tested PC drives to ensure these minimum performance requirements are achieved. The approach by Sony differs from that of Microsoft who has created a proprietary connector for storage upgrades.
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