Will xps i7 4790 8700 recognize 1866 ddr3 ram without overclocking?
The FSB depends on the Chipset and the CPU. I have an I7 4790K and the Bus Speed is not at DDR3 1866 its fixed at DDR3 1600. Your dell is not a High End 2013 Mac Pro. Your CPU runs at
DDR3 1333 or 1600 Not 1866 CAS 9 on DDR3 1600 is fine.
The difference in performance between 1600 and 1866 memory in real world usage is very small, or none at all.
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