So first of all thanks for the comments from my other thread https://forums.bit-tech.net/index.p...kstation-gaming-purposes.382892/#post-4870399 I have gone with the recommendations and got two new Samsung 870 Evo Tb's! One for OS/apps, the other as dedicated Steam/games drive. So excited! However, there's about 30Gb of AppData, prefs and game mods on the old OS SSD. I already went folder by folder and backed up essentials onto an external drive, but that's just scratching the surface. So, if I install Windows on the new 870 Evo and boot up, can I plug in the old OS drive and access it from File Explorer? Aka, browse it just like a regular folder and copy over crucial files as needed? Other thoughts: Would I need to wait until the new OS drive is fully setup, and then restart and plug in the old one? Would it need to be formatted/initialized to be re-accessed? Is there a chance this could mess something up, lose old data or confuse Windows? I've tried Googling this but only found info on dual booting Thanks for any help!