how much storage is good for a psp?

hai guys! i’m slowly saving up enough money for my first ever psp and i’m so excited!!! >///< but right now, i’m not sure how much storage you’d usually need (∩╹□╹∩)

i’m looking into options and the one i’ve got my eye on (praying nobody gets it before i can) has about 64gb in the memory card i think! ヽ(•̀ω•́ )ゝ✧ do you guys think that’s good? or should i look for other options?