I ran two tests in gnome disks - 100 fragments of 10 mb and 500 fragments of 50. Read speed - 40 Mb / s, write - 30-34 Mb / s, access time - 2 ms. When burning ISO got the following: 3.51G 100% 197.09MB/s 0:00:16 There are no problems with the phone via Type-C either.
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