| Tool Version | Key Focus | NAND Max Support | | :--- | :--- | :--- | | v14.xx | Legacy SLC/MLC, 2D TLC | 64GB | | v18.xx | Early 3D TLC | 128GB | | | Mature 3D TLC/QLC, improved bad block handling | 256GB | | v22.xx (latest) | USB 2.0 legacy maintenance only | 256GB |