H2testw made my 64GB micro sd card usable space from 59.6 GB to 58.2 GB. It is prohibited to use or publish this content without proper authorization. Device Type: Mass Storage Device, Protocal Version: USB 2.10 <- Hint: This device can run faster when plugged to a USB3.0 port UPX compression is a useful tool, but it is also often used by malware authors, so innocent programs that use it sometimes trigger false positives. For a better experience, please enable JavaScript in your browser before proceeding. WARNING: no memory detected at one or more locations. Just saw that the so-called eBay store was only there a few mos. Any recommendations that will run on MacOS? h2testw : Besides being counterfeit, there is a good chance there is malware on these devices. Click the location button at the top to select a drive. If capacity is not shown, copy the other data on the line (Ctrl+C) and enter it into a search engine, which might offer some more information. H2testw gives me correct results: good drives are either 100% good or a trivial 11K bad, and a known fake drive that lost data was 2G good/30G bad. 80% complete – 0 min 18 sec remaining

AD3A14AB424A ——– The software includes a quick size test tool that you may run to verify the size of a connected USB storage device. 40% complete – 1 min 11 sec remaining It’s right and reasonable to be suspicious of any software that triggers a malware response. 30% complete – 1 min 3 sec remaining Device Revision: 0000, Manufacturer: USB2.0 That’s plenty of time for anything malicious to have been found, which to my knowledge, nothing ever has. Making sure the serial or code number on the stick is legitimate is one way, another is making sure the drive is the size advertised because most fake drives have a lower real capacity than listed by using smaller and much cheaper memory chips.

70% complete – 0 min 36 sec remaining HAve a supposed 1TB flash drive…It is taking over 100 hrs for H2 to complete the test…There has to be a more efficient way to check for capacity…. 90% complete – 0 min 12 sec remaining COPY Image_20000.bmp F:\%%A.bmp And it takes 4hrs or so just to get the point where it crashes.

60% complete – 0 min 36 sec remaining Copyright SOFTONIC INTERNATIONAL S.A. © 2005- 2020 - All rights reserved. Bought a portable external 2tb drive which has turned out to be fake. However, it could be a price worth paying. Module: 64.00 GB (2^36 Bytes) It would be highly unlikely to get a fake flash drive with the full amount of storage, it wouldn’t be worth the fake manufacturers time.