Max SAVE RAM size: 128KByte. Save States function and In-Game menu function. "Isolated" means that multiple games can use RTC without interference.Each game will have own copy of time. Supported mappers: MBC1, MBC2, MBC3, MBC5. Compatible with all systems which supports GB and GBC cartridges, including Super Game Boy. OS supports up to 1000 files per folder. Same as X7 minus save states, in-game menu and RTC. Same as X5 but required reboot in menu to save game progress stored in SRAM (Like Mega-X3 or ED64-V2.5). The item "Everdrive GB X7 for Game Boy / color(Official Krikzz) lastest Revision" is in sale since Sunday, April 8, 2018. This item is in the category "Video Games & Consoles\Video Games". The seller is "cynopsys" and is located in Champlain, New York. This item can be shipped worldwide.