Bought five and all five failed! Everyone could not complete the data copy. Three of the five had to be repartitioned for Mac OS to recognize them. don't buy this!
Samsung BAR Plus 128GB USB 3.1 Flash Drive - 400MB/s - Champagne Silver (MUF-128BE3/AM)
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2 TB External HDD Western Digital WD Elements Portable (WDBU), USB 3.0, black
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18 TB External HDD Western Digital WD Elements Desktop, USB 3.0, black
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