^just buy the UHS-1 standards, it should work. UHS-2 is out of question though since its above 3.0 specification so it uses all new different protocol.
Although UHS-2 microSDXC cards are not yet existent so I doubt you will stumble on this type of cards for use on PSP.
Although UHS-2 microSDXC cards are not yet existent so I doubt you will stumble on this type of cards for use on PSP.