Product Description Descriptions: A raised lip on the edge of the drive protects the surface from scratching when the drive is laid flat The sleek lines and reflective, smooth surface of the HV620 highlights its thin and elegant overall appearance, it is ideal for those who wish to maintain an aura of professionalism, or show off their technical savvy A bright blue LED lets you know when data is being read from or written to the HV620, this helps prevent disconnection during read/write operations The HV620's USB 3.0 transmission interface enables transfer rates reach 90 megabytes per second in both read and write