The PlayStation 5 launches Thursday, November 12 with an internal 825GB of custom SSD, according to reviews of the console only 667GB of that storage will be usable with system files taking the rest. For those hoping to expand the storage with an SSD at launch, that won’t be possible yet.
The PlayStation 5 comes with an expansion slot which can fit standard stick-shaped M.2 SSDs, but Sony confirmed to The Verge, “this is reserved for a future update.” In March, Lead System Architect for the PS5, Mark Cerny had earlier hinted the support for SSD storage expansion on the console would most likely happen later after launch. “It’d be great if that happened by launch, but it’s likely to be a bit past it, so please hold off on getting that M.2 drive until you hear from us,” Cerny disclosed.
Sony would first have to do a compatibility test because not all M.2 SSDs have the required speed for the PlayStation 5, fit into the SSD expansion and also be compatible with Sony’s I/O controller. The PS5’s custom 825GB SSD is capable of 5.5GB/s Read Bandwidth and compatible external SSDs will have to surpass this speed over a PCIe Gen4 connection.
At the moment, any external drive or storage connected to the PS5 can only be used to play PS4 games. Compatible SSDs to expand the PS5’s storage will be announced by a Sony at a later date.