I just ordered 4 Extreme Duty Sandisk 32 gig (V30) cards from Amazon (2 day Prime delivery).
They are packaged in two packs and each two pack has a cheap card reader included. The two packs were 20.35 each .
Look for a program called GParted. It will format to anything you wish.
Since I’ve seen people linking this post as proof that the V3 is limited to 32Gb I thought I should add this updated info.
As of Dec. 6, 2021 firmware release 4.36.8.15 added support for exFAT microSD card formats. Meaning 32Gb is no longer a limitation.
The only limitation now is how much you want to spend. 
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@Seapup, how do you set the SD card record quality mode? I am having trouble finding that setting for the SD card. Is that the same setting for the Livestream quality?
Yes. That’s it. 
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Replying to my own post: I’ve been using this card with the Cam v3 for over a year, non-stop, without any problems whatsoever.
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