this was also in the description.. Ron

onger live events outside your studio without having the need of reloading. Especially for users of the Yamaha Tyros 5 it is of most interest to increase the memory capacity because the Wave-Counter is no more included which limits the number of samples to 9999. On the other side, users of Yamaha's Tyros 4 will profit from more memory space by being able to use larger samples than before. In summer 2014 a major update of the Yamaha Expansion Manager (YEM) is awaited to be released, which enables Tyros 5 users, to create Custom Voices with a new voice-creator. Therefore, the larger memory capacity of the FMC-07 FlashROM expansion card will help you to increase and handle your custom sample library with ease.