Top Definition
r4 card is a slot-1 flashcard for Nintendo 3ds, dsi and ds console. with a SD card, the r4 card can play games, video, music and other media files for totall free.
r4 card, r4i sdhc card, r4i gold card, dstwo, M3i zero,r4itt card, tt 3ds card,
by r4town.com June 23, 2013

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