mlc2sd Interposer for the Wii U to replace the eMMC (mlc) with an SD card Order Options When ordering this interposer, don't forget to select the Half-cut/Castellated holes option and set the PCB Thickness to $0.8mm$ or thiner. How to use There are Tutorials on gbatemp: Rebuild mlc: https://gbatemp.net/threads/how-to-upgrading-rebuilding-wii-u-internal-memory-mlc.636309/ Clone mlc: https://gbatemp.net/threads/using-nand-aid-to-repair-a-broken-emmc-fix-160-0103-system-memory-error.636361/