looking on amazon vendors state the class 3 is a older version which seems odd to me why the older 3 at 30mbs is replaced by a slower 10mbs!!,
Sounds like those vendors are idiots.
BTW, update on my 128GB PNY card -- I'd previously posted it'd worked for a while then failed out with a continuous format-card announcement while refusing to format the card.
Having read @flip9's post I went into the card on my mac and deleted the file which marked the last format date. I think it was actually a .bin or something.
Suddenly the card started working again in my F770. Format button works and everything.
I'm still considering which dashcam I'll put in my new funcar, but this stupid bullsht with Thinkware and memory cards is pushing me towards a DR650S instead of Thinkware.
EDIT: Just to follow up -- the PNY Elite 128GB card ended up dying, cooked to death. PNY replaced it under warranty but I'm not planning to put it back into a dash cam. My PNY Elite 32GB card has also now died.
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