Optiplex 780 RAM

By zaynsultan
Jan 1, 2015
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  1. Can I run optiplex 780 mini tower 1333mhz ram
    and showing cpu-z dram frequency 665.0mhz ? please help me
  2. cliffordcooley

    cliffordcooley TS Guardian Fighter Posts: 9,715   +3,696

    That is the correct setting. DDR stands for Double Data Rate. CPU-Z is showing the "I/O Bus Clock". If you double 665 MHz, you will see you are running at 1333. 1333 is technically the transfer rate but is falsely advertised as the frequency.

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