Lanzhd ED64plus Game Save Device Everdrive 64 Converter Enhanced NTSC ( Japan / U.S ) Version Support NTSC ( U.S/ Japan ) , Don't need boot cartridge Support SD,sdhc,MMC card with FAT,FAT16,FAT32 format(maximum 32GB) 64Mbyte (512mbit) SDRAM for ROM data SD and SDHC cards are supported FAT16/FAT32 support Emulation features Game saves support (SRAM, SRAM128Kbyte, EEPROM16k, EEPROM4k, FlashRam) Region free USB port included (Plug and play) Firmware update by SD card,Extend slot for Boot Cartridge