Wii Nand Archive: 2021

The Wii’s NAND is 512 MB of raw storage space. While that sounds tiny by modern standards (you could fit it on a modern phone thousands of times over), it held the entire soul of the console. It wasn't just where you saved your Super Mario Galaxy progress; it was the home of the System Menu, the Wii Shop Channel, the Mii Channel, and all the "virtual console" titles you purchased.

An SD card (preferably 2GB or smaller formatted to FAT16, or a standard SDHC card formatted to FAT32). wii nand archive

BootMii will begin reading the 512 MB memory. It will display a grid of blocks. Green blocks are healthy, and occasional black blocks denote factory-bad sectors (which is perfectly normal). The Wii’s NAND is 512 MB of raw storage space

As of 2025, original Wii hardware is aging. NAND chips have a finite lifespan (typically 10–15 years for MLC NAND). Charge leakage, bit rot, and failed controllers are already destroying unmodified consoles sitting in attics. An SD card (preferably 2GB or smaller formatted

Select the first icon on the left (an arrow pointing from the green chip to the SD card).