V60 and V90 cards are worth a look if you’re serious ... that doesn’t accept those interfaces. The takeaway: Your microSD card will only be as fast as the slowest link in your chain.

So, if you stick a microSD card rated V90 into an SD adapter rated V30, you may not get 90MB/s transfers. This 256GB Lexar Professional SDXC Card may seem pretty expensive for its capacity ...

MicroSD card's get the bottom of the barrel treatment ... which matter more for video. V60 or V90 is more about consistent write floor than interface type. Yeah, was hoping that would speed ...

A V, followed by a number, usually indicates the video speed class of a microSD card. So, a V30 card will support a minimum write speed of 30MB/s. You will find V6, V10, V30, V60, and V90 video ...