Nexto Di Digital Photo Storage ND2730 750GB Backup From Memory Cards: Download data from digital camera memory cards (CF, SD, SDHC, SDXC) Supports SDXC: The ND2730 supports exFAT file system used in SDXC (support for file size larger than 4 GB will be available later by free firmware upgrade) Data Transfer Speeds: Supports 70 MB/s for CF and 14 MB/s for SD memory cards Auto Copy: On/off setting for auto copy option that automatically "copies" a memory card when you insert the memory card into one of the built-in slots when activated Preview Photo Clip: You can preview photo clip using the built-in color LCD -- a preview of both the internal HDD and the external device (CF, SD, SDHC, SDXC) is supported