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 ...

U.S. game players are finding it tough to buy memory cards, the most common add-on for Sony's PlayStation 2 video game console. The 8MB memory cards plug in to the PS2 and are necessary for people to ...

I would just wait until you could get a Sony memory card... I've never heard anything good about third party ones... A guy I used to work with put his Sony card through the washing machine and it ...