Operating environment USB 3.2 Gen 2 (USB 3.1)/USB 3.2 Gen 1 (USB 3.0)/USB 2.0 Port Standard A connector Compatible OS Windows 11, Windows 10/Windows 8.1, MacOS 12, MacOS 10.14-10.15/11.0 Interface USB 3.2 Gen 2 (USB 3.1) USB Type-C connector Power USB bus power Format NTFS Maximum transfer speed [READ] 500MB/s, [Write] 450MB/S Installation conditions 2.4GHz bands and USB 3.2 signals used in wireless LANs and Bluetooth are known to interfere, and if they operate nearby, wireless LANs are affected, communication is delayed, and communication is available.It may be cut.If there are multiple USB ports that can connect this product, try reorest to the USB port away from the wireless LAN or Bluetooth antenna. capacity 250GB External dimensions (body only) [when placed horizontally] Approximately 46 (W) x 72 (D) x 11 (H) mm * Not included [When vertically] about 60 (W) x 60 (D) x 72 (H) mm * Not included protrusions Mass (main unit only) about 34g Mass (when packing) about 80g Used temperature range 5-35 ° C Used humidity range 20-80 % * However, there is no condensation Various acquisition standards/legal regulations VCCI Class B, ROHS command (10 substances) Warranty period 1 year warranty Service USB 3.2 Gen 2 (USB 3.1) Cable Standard a to Type-C about 30cm, instruction manual, stand