![]() H2testw is a powerful free software that can test USB flash disks and hard drives and report whether they have any problems currently, as well as detect fake flash disks. After years of usage, connected devices and hardware start to slow down and have trouble performing several activities especially if all this time they work intensively - with the main example here being the hard drives. The main purpose of H2testw is to detect fake flash disks.Ĭomputer hardware and peripherals tend to get faulty at times, usually due to the factor of time. It also has the same very quick test that RMPrepUSB has." Repair errors and test external drives." ![]() 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!). This has a similar 'fill-up with files' test to H2TESTW but again only takes a fraction of the time that H2TESTW takes (approx. ![]() It does erase the contents though as it tests ALL memory (H2TESTW only tests the area which has no files).Īnother alternative is FAKEFLASHTEST which is much easier to use. This gives very similar results to H2TESTW but is much quicker, especially if the flash memory is a fake. RMPrepUSB has a Quick Size Test which can test a fake 32GB Flash device in about 1 minute (good ones take 20-30 minutes). 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. This is totally unnecessary for detecting fake flash devices. H2TESTW fills up the drive with a test pattern and then reads all of it back.
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