A new tool from GRC that provides instant "spot-checking" of drives.
Select the "Also detect if black chips are used" (检测是否采用黑片) option for a more rigorous scan.
(and its related 2.x versions) remains one of the most effective, lightweight, and trusted tools for identifying these fraudulent, expanded-capacity storage products. This article provides a comprehensive overview of how to use MyDiskTest to protect your data. What is MyDiskTest? mydisktest v242
MyDiskTest will automatically detect the drive. Select the target drive from the dropdown menu.
Identifying if a 64GB drive is actually only 8GB. A new tool from GRC that provides instant
MyDiskTest is crucial because it does not just rely on the FAT32/exFAT reported size; it actually writes data to the sectors to see if it sticks. Using this tool ensures that your photos, documents, and backups are actually stored, rather than just vanishing into a "black hole" of a fake memory chip. How to Use MyDiskTest v2.42: Step-by-Step
The drive is a fake and will show the "actual capacity." This article provides a comprehensive overview of how
MyDiskTest is a free, specialized software tool designed specifically to scan USB flash drives, SD cards, and CF cards for signs of tampering. It is often used to detect "amplified" storage products, which are cheaply produced drives modified to report fake capacities to the computer. Key functions of MyDiskTest include:
Using MyDiskTest is straightforward. While the interface is primarily in Chinese, it is highly intuitive.
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