I bought these because they were cheap. They were less than $5 a disc when I received them. So far they've been reliable, fairly fast, and easy to identify thanks to their colors. It's "only" 32 GB, which is enough for most documents, cryptographic keys, individual films (or even trilogies), pictures, but not enough for me, to do something like a backup of all my data or save every episode of a 10 season show. Show. That'See full review