Gameboy 512KB/32KB (ROM only) Flash Cart


This re-programmable flash cartridge allows you to play games under 32KB that don’t need an MBC or saves or 512KB with MBC5 that doesn’t have saves. Designed and made in Australia.

Need to flash a game on this cart? Make sure to grab our GBxCart Flasher.

Includes a clear reproduction GB cart shell (separately) and our label (separately for you to apply). Looking for other colour cart shells? Check our DMG or GBC high quality cart shell listings.

Questions? Jump on our Discord server where we and other users can help you or contact us via Twitter.

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This cart works on every Gameboy system – GB, MGB, GBC, GBA, GBA SP and the Game Boy Player. Games that require more than 32KB or 512KB of ROM won’t work.

Comes in a generic Gameboy cartridge, no label. Each unit is assembled in house and is tested on a Gameboy Advance.

ROM: 32KB (39SF010A)
512KB Flash (39SF040) with MBC5 with ROM banking range 0x2000 – 0x3000 to allow for some MBC3/1 games
No saves supported

The PCB finish is ENIG.

Additional information

Weight 21 g

32KB, 512KB (Green), 512KB (Purple)

Flash carts

32KB carts, Gameboy carts, Low power


Eagle Schematic & Board: GB 32KB Flash Cart v1a

Licensed as CC-BY-SA. If you use this PCB, you must give credit to us by leaving the “insideGadgets” text on the board


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