External Storage Compatibility - XMP-7300/XMP-6400/XMP-6200/XDS-1078/MBR-1100 compatible SD card list Recommended SD card brand is SanDisk. Fully tested SD cards: SanDisk 32GB Ultra SDHC, class 10 SanDisk 64GB Ultra SDXC, class 10 SanDisk 128GB Ultra SDXC, class 10 Reference - *http://en.wikipedia.org/wiki/Secure_Digital#SDHC **http://en.wikipedia.org/wiki/Secure_Digital#SDXC