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Max miniSD card size?

Former Member
Former Member
I'm not sure where else to post this, but I just wanted to see if anyone knows whether Garmin has a resource on the maximum size of a miniSD card that can be used with each particular model? I have a etrex Legend I've been trying to resurrect the past week and I bought a new 64 gb card to load maps on to it, but when I load the unit onto MapSource or MapInstall and try to upload maps, it says that the unit has insufficient memory to do so.

On the other hand, when I used an older 4 gb card, it uploaded quite handily without any issues.

Can anyone tell me if this is because the 64 gb card is simply too large or is there a compatibility issue going on?

Thanks,

-gut