Amazon.com: Mcbazel Brook Wingman SNES Super Converter for PS5/ PS4/ PS3/ Xbox Series X/ Xbox Series S/ Xbox Elite 1&2/ Xbox 360/ Xbox One/ Switch Pro Controller to SNES/ NES/ SFC/ New
By far the cheapest Micro SD method : r/miniSNESmods
Amazon.com: Super Nintendo SNES AC Adapter / AV Adapter / 2 controllers : Video Games
Transcend Sega Genesis (Megadrive) Portable SD Card With 900+ Games (Only SD card!) : Video Games - Amazon.com
For Nintendo NES/SNES N64 Gamecube To HDMI Adapter Converter HD Cable USB Power | eBay
Super EverDrive V2 Cartridge - include SD card (fit in SNES and SFC Console) | eBay
Retrogate Store: SD2SNES - Flash Cart for Super Nintendo with SD slot and USB - Skooter Blog
Turn a Super NES Into a Universal Game Player : 8 Steps (with Pictures) - Instructables
By far the cheapest Micro SD method : r/miniSNESmods
Belk Tomee Snes Controller To Usb Adapter - SNES | The Summit