Reformatted and made it bootable for SUF 14, 64 gigs is adequate for it, but there was not enough free space left for half a gig, so I purchased 128 GB in alik with a 50% discount for 760 128 GB, real capacity (with an honest calculation of 1024 bytes = 1 kb). According to the manufacturer, the 1192022 GB 128 GB flash drive is compatible with USB version 3.1; however, this remains to be tested.
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