HV300 | AHV300-2TU31-CBK | 2000 GB | 2.5 " | USB 3.1 | Black | backward compatible with USB 2.0, 1. HDDtoGo free software only compatible with Windows. 2. Compatibility with specific host devices may vary and could be affected by system environment. 3. Connecting via USB 2.0 requires plugging in to two USB ports for sufficient power delivery. A USB Y-cable will be needed.