2021 3DS Update Gold Version R4ISDHC SDHC Dual Core R4 TF SD Card Adapter for DS DSI 2DS 3DS NDS New 3DSLL (Real Time Save) : Amazon.co.uk: PC & Video Games
R4 GOLD PRO SDHC for 3DS/NDS Revolution Cartridge USB reader+64G+500/1000Game UK £10.79 - PicClick UK
Help! I can't load my R4i in my NDS. It's just stuck there : r/nds