The Marvel Xtreme M80 has a durable aluminum housing and a removable cap that protects the USB Type A connector. You can safely put it in your bag without fear that the stored data will be destroyed. Built-in LED informs about data transfer in a convenient way. With extreme read speeds of up to 600MB / s and write speeds of up to 500MB / s, the Marvel Xtreme M80 is our fastest USB drive. Compared to a standard USB stick, it is 5.5x and 16.7x faster! The Marvel Xtreme M80 is equipped with a Type-A USB 3.2 Gen 2 interface. Data reading: 250GB – 590MB/s 500GB – 600MB/s 1TB – 600MB/s Data saving: 250GB – 260MB/s 500GB – 500MB/s 1TB – 500MB/s