SD cards without this rating may not be suitable for running software directly on them. The 512GB Samsung EVO Select microSDXC Card is rated U3, V30, and A2.

V30 SD cards can be used to record Full HD videos as well as in 4K at lower frame rates (less than 30 fps). They are also suitable for capturing high-resolution burst images quickly.

Memory card enthusiast Matt Cole has spent around two years testing hundreds of SD card models to discern their true capacity, performance, and endurance. Although some ...

And a lot of people did not like Memory Stick. It was expensive, proprietary, and not widely supported. By 2003, SD cards had surpassed it in popularity, and the trend never reversed.