Ethernet Adapters and Power Consumption

Discussion in 'Mac Basics and Help' started by rpg51, Nov 2, 2012.

  1. rpg51 macrumors 6502

    rpg51

    Joined:
    Jul 4, 2012
    #1
    I frequently use my MBA on battery power plugged into an ethernet cable for access to a large LAN and for internet access. I am curious about the extent of power consumed, if any, by the adapter options which I understand are USB to Ethernet and Thunderbolt to Ethernet. Does anyone have any knowledge they could share on this question?
     
  2. pdjudd macrumors 601

    Joined:
    Jun 19, 2007
    Location:
    Plymouth, MN
    #2
    Ethernet requires very little power - as well as those adapters. USB in of itself is a low power system already but it is just powering the device. It's bus powered and that's all I can gather.
     

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