Software features
Green and installation-free: No complicated installation process is required. After downloading and decompressing, double-click "h2testw.exe" to run it. It is easy to carry and can be used on different computers at any time.
Easy to operate: The interface is simple and intuitive. Users only need to select the USB flash drive to be tested and click the verification button to start testing. No professional knowledge or skills are required.
Reliable detection results: By writing and verifying large files, all data storage sectors of the storage device are tested, and problems such as bad blocks can be accurately discovered. Compared with some similar tools, the results are more comprehensive and accurate.
Quickly generate reports: After the test is completed, a write and verification data report will be quickly generated to clearly display the test results, allowing users to understand the status of the USB flash drive at a glance.
Software function
Bad block detection: The software writes a self-generated single file of up to 1G into the selected directory, and then reads out the verification method to determine the bad blocks. It can detect bad blocks in all types of semiconductor storage devices, and can help users promptly detect physical damage to devices such as U disks and avoid data loss caused by storage in bad block areas.
Read and write speed test: Test the actual writing speed of the USB flash drive by writing data to the directory to be tested, and read the data to verify whether the written data is correct. At the same time, the reading speed can also be obtained, allowing users to intuitively understand the data transmission performance of the device and determine whether it meets the usage requirements.
Expansion disk detection: It can effectively detect whether the U disk is an expansion disk, preventing users from purchasing storage devices with false capacity and avoiding problems such as data loss or damage caused by storing data exceeding the actual capacity.
FAQ
Detection time is too long: H2testw detects U disks by filling and reading verification data. For large-capacity U disks or devices with slow reading and writing speeds, the detection time will be very long. This is a normal phenomenon. Users can perform the test in their free time, or choose to test only part of the space according to their needs. However, this may affect the comprehensiveness of the test results.
The USB flash drive cannot be recognized: It may be that the USB flash drive is not connected correctly or there is a driver problem. You can re-insert the USB flash drive or update the USB driver. It may also be that H2testw does not support hardware features such as the main control chip of the USB flash drive. In this case, there is currently no good solution. You can try to use other detection tools.
U disk detection tool (h2testw) update log:
Working day and night just so you can be happier
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Huajun editor recommends:
After many updates and optimizations, the U disk detection tool (h2testw) has become more user-friendly and simpler to operate. The editor of Huajun Software Park personally tested it and recommends it to everyone. Interested friends can also download it.Master Lu,ComMaster,HD Tune Pro,WinBench99,cpu-z.




















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