These are tiny. A "Top 100" pack for both will barely take up 200MB.
Once you've found your "top" pack, moving it to your RetroPie is simple:
Before downloading a massive 256GB "Ultimate Pack," ensure your microSD card can handle it. RetroPie needs a bit of "breathing room" for save files and system updates, so never fill your card to 100% capacity. retropie roms pack top
High-end packs often come with "scraped" metadata, meaning you get box art, video previews, and descriptions immediately. The "Top" Packs You Should Look For
Look for "definitive" sets that include the "Streets of Rage" and "Sonic" trilogies. These are tiny
Once the files are moved, press Start > Quit > Restart EmulationStation to see your new library. Pro Tip: Check Your SD Card Space
Often hosts "preserved" ROM sets for historical purposes. RetroPie needs a bit of "breathing room" for
These start including "heavy" games from the PlayStation 1, Dreamcast, and Arcade (MAME) libraries. Where to Find Them (Legally & Safely)