How Many Watts of Electricity does a Comcast Cable Box DVR use?

Real power-use measurements from a comcast cable box dvr.

How Much Power does a Comcast Cable Box DVR use

Comcast Cable Box DVR: 46 Watts


  • A cable box has electronics within. Mine has a fan and a spinning hard drive. When I turn the cable box off, it stays warm, so I was very sceptical that it was really saving very much electricity to turn it off.
  • This Motorola Cable box Dual tuner and DVR has a mock sleep mode, using 43 watts instead of 46 watts.

Power Use

  • Watts: 46
  • Kilowatts: 0.046 Kw.

Operation Cost

  • cost per minute: 1 hundredths of one cent (0.01 ¢)
  • cost per hour: 55 hundredths of one cent (1¢)
  • cost per day: 4¢
  • cost per month: 84¢

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