Finally can you use M.2 on PS5 (maybe...)
Playstation have opened up for M.2 support for beta users on Playstation 5

Published: 08 Aug 2021
If you own a Playstation 5 and is part of the beta program, you can now use M.2 and Playstation have released details instructions on how to proceed [↗]
Please note specifications released are for the beta program and they might change before the the public release
Does all M.2 work?
Short answer, no. You need to use an NVMe M.2, with a storage capacity between 250GB – 4TB. That uses interface PCIe Gen4 x4 M.2 NVMe SSD and form factor 2230, 2242, 2260, 2280 or 22110 (first two digits are width in millimeter and remaining digits are length in mm)A cooling solution, such as heatsink is also most likely needed and Playstation have provided required dimentions
Installing M.2
By removing the faceplate without the Playstation logo on it, you'll find the expansion slot. You'll need a #1 Phillips or cross-head screwdriver to remove the screw and spacer. Here you'll need to adjust the spacer, depending on the size of your M.2Check out Playstation M 2 page for detailed instructions with pictures [↗]
Playstation haven't announced when this update will come to the general public
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