USB-C (10Gbps) drive for fast backup with up to 260MB/s read and 260MB/s write (1 MB/s = 1 million bytes per second. Based on internal testing; performance may vary depending upon host device, usage conditions, drive capacity, and other factors.) High-capacity, enterprise-class Ultrastar 7200RPM drive inside Mac Ready, Apple Time Machine compatible; easily reformatted for Windows Stackable, anodized aluminum enclosure offers premium durability Three modes of brightness to adjust the LED lights