Jizz_Beard_thePirate on 16 July 2021
Seems that Steam Deck could indeed have user replaceable SSDs:
https://www.reddit.com/r/SteamDeck/comments/olp7er/steam_deck_will_have_a_user_replaceable_ssd/
If true and if it's relatively easy to get into, then one could buy the base model and replace the storage
PC Specs: CPU: 7800X3D || GPU: Strix 4090 || RAM: 32GB DDR5 6000 || Main SSD: WD 2TB SN850
