Applicable for E-series MMS (MMS-1e, MMS-3e, MMS-5e) on version 6.4 and later Firmwares.
Version 6.4:
Supports up to 40,000 tracks.
Synchronizing tracks from a computer will reject a sync request where the new total track count is above the track limit.
Tracks copied locally to the MMS, on an added USB hard drive or on a NAS will be available on a first come first serve basis until the limit is reached. The MMS will not flag a track as unavailable unless the user deletes the file.
Version 7.0:
Supports up to 200,000 or more tracks. No limits are enforced.