1. Windows Central Question's Avatar
    i have 4gb ram installed but only 2.5gb is usable on win-7 32bit version
    07-11-2015 02:28 PM
  2. Zachary Boddy's Avatar
    A 32bit operating system can only use "3GB" RAM max, which is actually closer to 2.5GB of RAM. A 64bit operating system is required to utilize more than three GB of RAM to its max potential.
    RumoredNow likes this.
    07-11-2015 02:32 PM
  3. RumoredNow's Avatar
    Your onboard graphics chip may be using system RAM as well...
    Guytronic likes this.
    07-11-2015 02:48 PM
  4. EL620's Avatar
    Anything more than 3gb ram on a 32bit OS gets reserved. From 4gb of ram, only 2.5 - 2.75gb will be usable depending on your motherboard and onboard graphics memory. But on a 64bit installation you get 3.7gb or the entire 4gb memory.
    RumoredNow likes this.
    07-11-2015 02:57 PM

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