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Review on πŸ“Έ Sony M Series SDXC UHS-II Card 64GB: V60, CL10, U3, Max Speed R277MB/S, W150MB/S (SF-M64/T2) - Black by Rick Ross

Revainrating 3 out of 5

Seems to work with GH5s 4K 400 All Intra so it's good enough for me

Tested with Crystal Mark, average only 93 reads, 74 writes! wasn't happy Then I realized that maybe it was a limitation of my USB 3.0 card reader that was causing the numbers to be low. Popped the card into my GH5s, shot some 4K 400 All-Is and the card seemed to be doing fine (I let it run for about 4 minutes). As a comparison I then tried my Sandisk Extreme Pro 95 card which actually had a higher CrystalMark write count (88) and this card lasted no more than 5 seconds in 4K 400 All-i GH5s before the camera due to shut down - past the insufficient performance of the card. So it seems to be working.

Pros
  • Downloadable file recovery software
Cons
  • Newer model could have been chosen