SEGA Mega CD - Backup RAM (Cartridge+Instructions)

SEGA Mega CD - Backup RAM

• ✅TESTED, Working
• ✅GOOD condition
• ℹ️Case, Back up memory cartridge, instruction manual
• 🎌Japanese product

⚠️ NOTE:  this not a RAM expansion or memory expansion, it is a backup save cartridge for storing game data