Last Update: DEC 2023

SD memory cards that have been verified to work with SR-20HD are the following.

• SanDisk SDSDUN4-256G
• SanDisk SDSDUN4-128G
• SanDisk SDSDUN4-64G
• SAMSUNG MB-SC256H
• SAMSUNG MB-SC128H
• SAMSUNG MB-SC64H

Important Notes

• For other SD memory cards, we recommend using an SDXC card whose capacity is 64 GB or larger.
  Before actual use, carry out a speed test on the SR-20HD, and use a card whose speed is 15 MB/s or higher.
  * Due to improvements of SD card access stability in SR-20HD Ver.1.31, the determination value for speed test has been changed.
• Operation using a microSD card is not supported.
• When using an SD memory card, be sure to format it on the SR-20HD.
  SD memory cards formatted on devices other than the SR-20HD might fail to function correctly.
• We recommend backing up SD memory cards to a computer to safeguard against accidents.
• Please refer to the Owner's Manual about insert or eject an SD memory card.