CapacityTester Alternatives

    CapacityTester is described as 'Tool to test a USB drive or memory card to find out if it's a fake. The tool performs a simple test to determine if the full capacity is usable or not. All it does is fill the volume with test data and verify if the data on the volume is correct'. There are seven alternatives to CapacityTester for Windows, Linux and Mac. The best alternative is H2testw, which is free. Other great apps like CapacityTester are F3 (Free, Open Source), Quick Disk Test (Free, Open Source), FakeFlashTest (Free) and Check Flash (Free).

    This page was last updated Oct 4, 2018

      • FreeProprietary
      • Windows
      Data integrity test for USB sticks and other media An advantage over other tools is, that it does not need administrative rights to access the device - but it should not be NTFS formatted, as it does not allow to test everything.
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      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      F3 is an open source that assesses the real capacity of USB sticks and other media. An advantage over other tools is, that it does not need administrative rights to access the device.
      No screenshots yet


      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      Fills a disk with test data and verifies that it can be read back without errors.
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    1. Tests USB Flash drives and Flash memory SD cards to determine if they are fake (not full capacity). Much quicker than H2testw.
      • FreeProprietary
      • Windows
      Check Flash is a tool for testing and formatting flash-drives. It can be used to clean eny evidence of activity on your flash drive by formatting it.With Check Flash you will be able to manage your flash drives by performing different maintenance tests on it.
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    2. test usb speed

      Discontinued

      Official website down since December of 2018, app can still be found on third party sites.

      No screenshots yet
    3. Flash card/drive tester allows testing of any removable media including SD, MMC, CF, USB flash pen drives for bad or unstable sectors. Especially useful for testing for fake sizes often seen on low quality USB pen drives.
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    Showing 7 of 7 alternatives