Used to flash large (2GB) firmware files on machines. I started by fully formatting each one to make sure they all get formatted. After the initial formatting, everyone could be prevented from writing again. For the rest, everything worked at first, but when the firmware is updated, I will overwrite the disk (quick format) and overwrite the new file. The other three never worked for writing after I copied the firmware file into them for the first time. The other six seem to work fine, but I have limited faith in them. I use them for non-critical applications (if they don't work I just have to rebuild the drive on another) but I don't want to use them for anything. important. 40% rejection is terrible. I'm unfortunately outside the return period, so I just have to eat the costs. Next time I will buy discs from more expensive brands.
Titan Gray Samsung BAR Plus 256GB USB 3.1 Flash Drive (MUF-256BE4/AM) with Up to 400MB/s Transfer Speed
69 Review
Sandisk Ultra Flair 128 GB Silver USB Flash Drive: Reliable and High-Speed Storage
65 Review
Samsung BAR Plus 128GB USB 3.1 Flash Drive - 400MB/s - Champagne Silver (MUF-128BE3/AM)
65 Review
Kingston DataTraveler SE9 32GB USB 2.0 Flash Drive for Reliable Data Storage (DTSE9H/32GBZ)
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Shock-Resistant Transcend StoreJet 25M3 USB 3.1 Slim Portable Hard Drive with 500GB Capacity
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2 TB External HDD Western Digital WD Elements Portable (WDBU), USB 3.0, black
84 Review
18 TB External HDD Western Digital WD Elements Desktop, USB 3.0, black
95 Review