The R4i B9S is just a little cheaper than the GOLD RTS. However, on the R4i website, they revealed that it can be transformed into a ds flashcard. So, in short it is. If you are planning to use NTRBOOTHAX, you should get this instead of the R4i Gold RTS or any other compatible card. Not only is it cheaper than most and comes preflashed, it can also be transformed into a normal ds flashcard that isn’t blacklisted.