Nilox MCG3U3BK64GB, 64 GB, USB Type-A / Lightning, 3.2 Gen 1 (3.1 Gen 1), 90 MB/s, 9.5 g Nilox MCG3U3BK64GB. Capacity: 64 GB, Device interface: USB Type-A / Lightning, USB version: 3.2 Gen 1 (3.1 Gen 1), Read speed: 90 MB/s, Write speed: 35 MB/s. Weight: 9.5 g