Max. ROM size up to 7.5MByte Max. Save RAM size up to 128KByte Instant Loading SuperKey. This function eliminate region locks Improved EverDrive menu (compared to previous super-ed generations) MicroSD cards support up to 128GB* GameGenie cheat codes Low power consumption Hi quality 4-layer PCB Hard gold plating for cartridge contacts OS supports up to 1000 files per folder Supported with any SNES/SFC16 system Supported enhancement chips: DSP-1/1B DSP-2 DSP-3 DSP-4 *Cards bigger than 32GB require custom formatting tools. Cartridge uses custom made multi region shell. It fits in both american and euro/jap systems.