Hello. I am thinking about buying a R4i flashcart for my 3ds xl. I have been looking at these but i am a flashcart noob. R4i SDHS Dual Core R4i SDHS Silver r4i gold 3ds R4i Gold EU R4i Gold Pro They all seem to cost about the same, witch one do you recommend? Will they all work on V6.3.0-12E or only V6.3.0-12U? Thank you in advance. thanks for all help, finnally bought my r4i gold 3ds card from dsflashcart site here http://www.dsflashcart.com/r4i-gold-3ds-wood-r4i-3ds-flashcard-for-ds-dsi-3ds-p-248.html everything is great, thanks again.