How Many Watts of Electricity does a Portable Hard Drive use?

Real power-use measurements from a portable hard drive.

By Rob Cockerham |

How Much Power does a Portable Hard Drive use

Portable Hard Drive: 6 Watts

Description

  • This portable hard drive, or backup drive, has electronic components and a motor to spin the drive. It uses about 6 watts when it is spinning the drive, down to near zero when it is not spinning.
  • varies from 0 to 6 watts

Power Use

  • Watts: 6
  • Kilowatts: 0.006 Kw.

Operation Cost

  • cost per minute: 0 hundredths of one cent (0 ¢)
  • cost per hour: 7 hundredths of one cent (0¢)
  • cost per day: 1¢
  • cost per month: 11¢

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Power use of these items was actually tested. Individual items will vary, but these are the actual measurements.