How to Play Steam Games on an External Drive Using the Steam Storage Manager
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How to Move a Steam Game to Another Drive, The Easy Way
How to run your Steam library from an external drive | TechRadar
Rocket Yard Guide: How to Install & Play Mac Games Via External Drives
Steam's new storage manager will show you where your game's gigabytes are | Rock Paper Shotgun
Heard the Steam Deck can also run games of a usb type c storage drive so that Immediately sparked some ideas for a DIY 3d printed ssd or m.2 enclosure or something
How can I load Steam Games on a usb drive simply? (novice user on crouton linux) - Ask Ubuntu
Steam Support :: Moving a Steam Installation and Games