Windows 10: 4gb RAM but only 3.47 gb usable

  1.    02 Aug 2016 #1

    4gb RAM but only 3.47 gb usable

    Hi, I have an ASRock H61M-VG3 Mother board with a maximum RAM amount of 16gb. I have 64bit Windows 10 Pro. I have 4gb of RAM but only 3.47 gb Usable. Does anyone know how to help because I would like it fixed because I am upgrading to 16gb Ram, and it would be ridiculous to have 16gb of RAM but only 3.47gb Usable.

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      My ComputerSystem Spec

  2.    02 Aug 2016 #2

    This should answer your question:

      My ComputerSystem Spec

  3. philc43's Avatar
    Posts : 3,561
    64bit Win 10 Pro ver 1803 Build 17134.285 and W10 Insider Build 18234
       02 Aug 2016 #3

    Some of your memory may have been reserved for hardware. It is possible you have not disabled your on-board graphics and so memory is being used for that. Check your BIOS settings.
      My ComputersSystem Spec

  4.    02 Aug 2016 #4

    It sounds perfectly normal to me. I don't know why you'd think you'd be limited to 3.47 GB if you upgraded to 16 GB, but that wouldn't be the case. Anytime you use something like onboard graphics, some memory is always reserved to be the frame buffer / graphics memory.

    My Latitude E7250 laptop with 16 GB of memory shows 15.9 available.
      My ComputerSystem Spec


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