It runs straight from aUSB2.0 orUSB3.0 port no external power source needed. Runs straight from a usb 2.0 or usb 3.0 port, no external power source needed.
The Sonnics 1TB Blue External Portable Hard drive USB 3.0 is a great product for businesses and individual users who need to quickly access and transfer large files without being tied to a single location.
