H2testw
Version 1.4
Freeware★ 4.7 · 280K downloads
H2testw is a free tool that can be used to test storage devices for actual available capacity. It writes large amounts of data to detect fake or counterfeit USB drives and SD cards.
- Developer
- Harald Bögeholz
- File size
- 200 KB
- Updated
- 2026-01-28
- Operating system
- Windows 7, Windows 10, Windows 11
usbstoragetesting
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