microSD to MSPD adapter for PSP

looking to pick up one of the mcrSD->MSPD adapters for use with my PSP2000 (cfw 5.00m33)

how many gigs will my PSP(and/or the adapter) read/support?

is the photofast brand adapter the one to get?

your input is appreciated!

link: http://www.amazon.com/PhotoFast-CR-5400-MicroSD-Adapter-Dual/dp/B001I0T92Q