V421 Top: Chipgenius

is legendary because its output includes the exact MP Tool version number required. Look at this sample output:

Even if the controller spoofs the capacity (via a malicious firmware setting), it cannot change the physical chip model. v4.21 Top will read the exact Model Number of the NAND flash (e.g., Hynix H27UBG8T2B ). You then Google that model: chipgenius v421 top

| Scenario | Next Step | | :--- | :--- | | | Search for “[Controller name] MP tool” (e.g., Alcor MP ). Use it to restore real capacity. | | Dead/bricked drive | Look for a “short pin” recovery guide for that controller. | | Unknown VID/PID | Paste the USB\VID_xxxx&PID_yyyy into USB-ID Database . | | Recovering data from a failing drive | Clone using dd or R-Studio before attempting any firmware repair. | is legendary because its output includes the exact

: Select your device from the list. Look at the "Detailed Information" section for the Controller Part-Number and Flash ID . You then Google that model: | Scenario |

Yes, but with caution.