SanDisk MicroSDXC Extreme PRO 256 GB 170MB/s + SD Adapter

I bought this product a few months back now, and for the couple of months I have used it, I have encountered no problems what so ever. It does exactly as it is advertised.

Best sd on the market , fast speeds , using it in my action 4 dji

Professional users who need top performance for working with large video or graphics files might prefer to pay more for a solid-state drive with full support for Thunderbolt. However, the Extreme Pro With USB4 is far more affordable than most Thunderbolt drives and still provides impressive performance that will be more than adequate for most people who just need a fast, sturdy portable drive for their Time Machine backups. Take a look at the Best SSDs for Mac for alternatives to the SanDisk Extreme Pro

Was skeptical given my experience with the flash drive - but this thing SAVED me on a photoshoot. So 100% legit.

Ive used sandisk in all my cameras this is by far the best and has plenty of space for what i need