Depende po sa suits and needs mo, sd card nowadays are for backup storage ONLY, no to direct download/re-directory path (not recommended) for all purpose parin naman sya, just tinker it by creating a folder every once a week or so para sa WRITE data nya bukod sa READ lng ginagawa mo like playing music, watching videos, viewing photos through your sd card. Suggest lng po wag ii-scratch ang golden plate nya at kung maari wag rin po kasanayan panay salpak sa iibang device, stay with your MAIN device, use a USB cable if need to transfer files, PRIMARY storage po palagi ang palaging magsasalo ng mga file transfer In/Out, baka po kase magcorrupt ang sd card and also may limit ang kanyang pagtransfer sa iilang system protocols.