It used to be that to play a console game, you just had to plug in a cartridge or put a CD/DVD in the optical drive. But these days, with modern titles ballooning up to as much as 100 GB, you’ve got ...
It's not that they are not Sony, it's that they are unlicensed. All licensed cards must be produced to spec guarantying comparability with all games. Unlicensed cards do not, and may be incomparable ...