

Proprietary in design? Cause ps1, 2 and 3 had the memory cards and those were sold by MadCatz, Neon and there was another really good third party seller that sold those. The PSP original ran off of of regular memory sticks that you could use literally any brand but the speeds and quality of the Sony ones were set to specs for the PSP, like the Nintendo cards are set to specs for the system but in reality you can use nearly any SD card.
So whatchu talking about?



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