Plug in your drive and click "Scan USB" (or F5). Your drive should appear in one of the numbered boxes.
Many cheap drives from online marketplaces use SM3257 controllers with 8GB NAND pretending to be 64GB. Run MPTool with PRESCANTEST=1 . The tool will reveal the true capacity. Then set manufacture capacity 10% below true capacity to add an extra safety margin. Plug in your drive and click "Scan USB" (or F5)
You cannot have both. Here is a decision matrix for when to use Extra Quality: Plug in your drive and click "Scan USB" (or F5)
The capacity dropped from 128GB to 64GB. Plug in your drive and click "Scan USB" (or F5)
: Adjusts ECC (Error Correction Code) thresholds and optimizes for either capacity or speed during the production process. Compatibility & Requirements
After mass production with extra quality settings: