Sd Card Speed Does It Matter Much If I Buy A Standard Mini Sd Card Than A High Speed One For My Philips Sa260 Mp3 Player?

Does it matter much if I buy a standard mini sd card than a high speed one for my Philips sa260 mp3 player? - sd card speed

What are the advantages of buying a high-speed SD card is a standard match. So, what is the biggest memory card for the Philips sa255, SA260 or later?