If there is a USB connector in the front of the device, USB flash drive or HDD is supported. Requirements of the USB flash drive / HDD are as follows: File format FAT16 or FAT32 or NTFS Memory capacity No limit Power Supply to the HDD If a HDD with USB power peak current higher than 500mA is used, a separate power supply for it may be needed. Please consult the user manual of the HDD for detailed information. Tip: For optimal connection, do not use a hub.