R4 R4i Flash Card RTS LITE Adapter for DS 2DS New 3DS XL V1.0-11.9 Games - Newegg.com
Amazon.com: R4 2022 HK SDHC Dual Core Update Adapter Card with 16GB TF SD Card for DS DSI 2DS 3DS NDS, No Game Timebomb, White : Video Games
R4 SDHC card, idk which card this exactly is I need to install firmware but can't find this card. : r/flashcarts
Amazon.com: RGEEK Plus Update Wood Version SDHC Dual Core with 32GB Micro SD Memory Card for Nintendo 3DS NDS New 3DSLL, No timebomb for Gaming Console : Video Games
Amazon.com: R4 Video Games Memory Card, 3DS Game Flashcard Adapter for NDS NDSI 2DS 3DS New 2DS New 3DS : Video Games