Backup RAM Cartridge

バックアップＲＡＭカートリッジ
Release type: Official Release
Platform: Sega Genesis/Mega Drive Accessory
Barcode: 4974365529208
Release Date: March 20 1992
Description: Official SEGA MEGA-CD Backup RAM cartridge. Used to expand internal system save memory by an additional 1 Mbit (128 KB; 2045 blocks).