This is where I found out the write speeds
“Transfer speed (read and write): The Mavic 2 records 4k and writes to the micro SD card at up to 100 Mbps“
So if my card writes at 60 this would cause an issue I’m guessing? 
McSteamyCheck out the above link. The Mavic Pro 2 writes at upto 100Mbps which is around 12.5 MB/s according to that article. They actuaplly recommend the exact card you are using.
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Ah okay, thank you for that, just noticed the “MBPS“
and the “MB/s” 
Appreciate the help
No worries. Im not an expert myself but was looking yesterday for myself as have just purchased my first drone (MA2). 
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I recommend these whole heartedly
I can’t remember the last time I did a download from my card, filmed and did some bits last night and still had 45 minutes @4K/60fps
I used to use the Samsung Evo Plus cards until I recently went over to SanDisk Extreme Plus.
What a noticeable difference in vastly improved (I think) video and still image quality.
Surely that’s some kind of placebo effect? 
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Well I took some video last night of the sunset and it came out so sharp, much sharper than what my other Evo Plus card would capture. At least I think so anyway. 
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I lost my 2-3 month old Mini 4K recently and after getting my replacement (very quickly) i realised my 2-3 month old Micro SD card went with it, too.. 
just go another Samsung EVO Plus 64Gb for £6.95 delivered. Had no complaints with the last one so went for same.
YMMV