Can I use an External HDD with my PS5 or it must only be SSD?

The PS5 has 825GB of storage space, but there's a catch ps5 external hard drive slot Instead of adding external storage, you can add another SSD to your PS5 using the built-in and empty SSD slot, which should help alleviate any ps5 expansion slot Usually, Sony do not recommend running games off the external NVMe SSD expansion, preferring you to transfer games to the internal drive first

ps5 m2 slot PS5 games cannot be played from external drives With the internal slot You can install and play PS4 games from an external hard drive