Great product, works as expected and haven't has any problems with it

The actual space available is a but less that 512GB but that's the same for every storage device I guess! Got it for my Switch, does the job!

I'm using some of these to store document, archives, music, videos. A good solution for ultra-portability and getting cost effective enough to seriously consider. Also probably more reliable than a much larger old school hard disk, especially for long term storage. Works great on windows computers. Have not tried to put one of this size into my phone yet.

Card works great for the most part on my phone but sometimes disconnects, very annoying when I'm listening to music and have to restart my music player app or even restart the phone itself to get it to reconnect, very inconsistent.

There once was a time I backed up device files to my home NAS. With SD cards at this price point, I now sync copies across all my devices providing redundant backup and faster local access.