 Voice and sequencer data and samples can be loaded from or saved to 3.5" double-density floppy discs.Voices and performance combinations can also be loaded from or saved to Yamaha's proprietary MCD64 (64K RAM cards (one slot for such cards was provided, alongside one slot for a PCM 'waveform' ROM card).Yamaha and other manufacturers sold expansion sounds for the SY85 in both formats.