Compatible Compact Flash Card Sizes December 13, 2012 23:53 Follow It is possible to use 32MB-512MB [Type I] Compact Flash cards in the TD-20. Related articles SPD-SX PRO: What kind of USB flash drives can I use with this unit? TD-20: Assigning the Mix In Signal to the Headphone Output General: Compatibility with macOS Monterey (macOS 12) Troubleshooting Information for Roland and BOSS Battery Powered Products Procedure for Product Registration