Alternatives to H2testw for all platforms with any license

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  • Quick Disk Test

    Quick Disk Test fills a disk with test data and verifies that it can be read back without errors.

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    Check Flash

    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...

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    sdspeed

    sdspeed is the only product that measure the read and write rate and testing every bit of your SD memory card you can trust with no...

    Commercial Mac

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    Macrorit Disk Scanner

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  • USB Flash Drive Tester

    Flash card/drive tester allows testing of any removable media including SD, MMC, CF, USB flash pen drives for bad or unstable sectors....

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  • USB Memory Stick Tester

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  • Flash Memory Toolkit icon

    Flash Memory Toolkit Discontinued

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H2testw Comments

Good but slow!

Positive Comment by steve6375
about H2testw and RMPrepUSB Oct 2013

H2TESTW fills up the drive with a test pattern and then reads all of it back. This makes it very slow. This is totally unnecessary for detecting fake flash devices. These have the memory multiply-mapped and so we do not need to detect bit errors, we just need to detect gross chunks of data being wrong. RMPrepUSB has a Quick Size Test which can test a fake 32GB Flash device in about 1 minute (good ones take 20-30 minutes). This gives very similar results to H2TESTW but is much quicker, especially if the flash memory is a fake. It does erase the contents though as it tests ALL memory (H2TESTW only tests the area which has no files).

Another alternative is FAKEFLASHTEST which is much easier to use. This has a similar 'fill-up with files' test to H2TESTW but again only takes a fraction of the time that H2TESTW takes (approx. 8 minutes for my fake 16GB USB pen which was actually 2GB) and detects a fake drive much more quickly than H2TESTW (it stops as soon as an error is found too!). It also has the same very quick test that RMPrepUSB has.

[Edited by steve6375, October 07]

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Great software!

Positive Comment by kalyok
about H2testw Aug 2013

Well, I have to add my ¢2 - this is a great software and saved me few times from paying for so called "64GB SDHC cards", which were fake. Great part of the software is that it writes unique data without repeating itself - this makes sure computer has to write/read every single bit to/from media. Compare it to files created by fsutil command - gigabytes are being moved between drives and partitions in seconds, because those files are empty.

Anyhow, thanks for great software!

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Amazing program in my modest opinion, very useful to have i ...

Comment by Journeyman
about H2testw Jun 2011

Amazing program in my modest opinion, very useful to have in a "toolbox" pen

Reply