Power Consumption Of An External Hard Disk

An external hard disk uses approximately 4 to 8 watts; on average, it operates for about 8 hours a day. Calculate electricity usage and power consumption of An External Hard Disk. Also know how many watts does An External Hard Drive use.

Enter the number of usage hours and power setting (in wattage), then click "Calculate" to find the power consumption of external hard drive using 8 watts for 8 hours a day at $0.12 per kWh. You will also see the running cost per hour, day, week, and year.