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<blockquote data-quote="Vasudev" data-source="post: 981222" data-attributes="member: 30411">I think the drive is dead or it was a fake flash. Sandisk is aware of it and they say lot of things from packaging, logo etc and I couldn&#039;t find if the device was fake or genuine, so I usually skip Sandisk. I agree Sandisk Extreme or their Pro are great but their essential or mid-range with high caps are not really great.Try a fake flash test application <a href="https://rmprepusb.com/tutorials/007-all-about-fake-sd-cards-and-usb-flash-drives/" target="_blank">007 - All about &#039;fake&#039; SD Flash cards/drives - RMPrepUSB</a>Source: <a href="https://www.geckoandfly.com/22803/detect-fake-usb-flash-drives-sd-cards-ssd-disk/" target="_blank">11 Freeware To Detect Fake USB Flash Drives, SD Cards And SSD Disk</a>I used h2test and their cmdline version in linux to test fake flash on Sandisk. Now I use a big files to fill the drive and check file integrity via MD5/SHA1/2.</blockquote>

[QUOTE="Vasudev, post: 981222, member: 30411"] I think the drive is dead or it was a fake flash. Sandisk is aware of it and they say lot of things from packaging, logo etc and I couldn't find if the device was fake or genuine, so I usually skip Sandisk. I agree Sandisk Extreme or their Pro are great but their essential or mid-range with high caps are not really great. Try a fake flash test application [URL="https://rmprepusb.com/tutorials/007-all-about-fake-sd-cards-and-usb-flash-drives/"]007 - All about 'fake' SD Flash cards/drives - RMPrepUSB[/URL] Source: [URL="https://www.geckoandfly.com/22803/detect-fake-usb-flash-drives-sd-cards-ssd-disk/"]11 Freeware To Detect Fake USB Flash Drives, SD Cards And SSD Disk[/URL] I used h2test and their cmdline version in linux to test fake flash on Sandisk. Now I use a big files to fill the drive and check file integrity via MD5/SHA1/2. [/QUOTE]

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