I have successfully replaced 2 * 4GB DDR3 1333 MHz RAM (Samsung) with 2 * 8GB DDR3 1600 MHz RAM (CnMemory). Everything runs fine and System Report is displaying the RAM is running at 1600 MHz.
Now I wonder how accurate this report is. I have learned the RAM clock rate is determined by the Front Side Bus (FSB), so I would have expected the new RAM to still work at 1333 MHz instead of now 1600 MHz.
So does System Report report the accurate clock rate of the FSB or does it report the advertised maximum clock rate from the DDR3 RAM somehow?
(I should have done a memory benchmark before the switch, but I really didn't expect these better results).