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Will Windows Vista fully support 4GB of RAM in Optiplex systems?

April 26, 2017fully OptiPlex RAM support SYSTEMS Windows Vista

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Will Windows Vista fully support 4GB of RAM in Optiplex systems?

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The Windows XP memory utilization limit with current Dell BIOS is 3.0 GB. With Windows Vista, the BIOS will be set at 3.5GB. The memory limitation is tied to a 32-bit operating system and system BIOS. 64-bit operating systems raise the maximum memory utilization, but will require applications designed for 64-bit.