I-O DATA external hard drive, HDJA-UT1.0, compact and energy-saving design. Used for backups. I think the usage frequency was low. Since it is treated as junk, please do not make any claims or returns. - Brand: I-O DATA - Model Number: HDJA-UT1.0 - Power Supply: AC100V 50/60Hz - Power Consumption: 11W (TYP) Thank you for viewing.