Ive heard of others having things go awry. But for myself everything seems to load in decent times. I may get better results with the 64kbs, but it aint broke. so why fix it.Hm, do you have slow startup times with such a large card using 32K clusters? I've read some reports that loading speed increases if you use 64K clusters, and I've also read that in addition to GBA games, some native 3DS games can have weird problems if you use a 64K clusters, so it certainly seems like 64GB + 32K clusters is the maximum "everything just works" threshold?