DrDamn https://pc.watch.impress.co.jp/docs/news/1336742.html High-speed M.2 SSD by Sony Group. Supports PCIe 4.0 and sequential about 7GB / s Sounds a little familiar … prices put the 1TB one at about £165 and 2TB one at about £320
DrDamn Well, more an M.2 SSD that looks like it should be compatible with the slot in the PS5. Rumours are that products compatible will be available this summer.