Different Frequencies ram but same size and same brand ,,,,can i used,,,if my mobo support DDR3 Dual Channel 1600

chandan lalit jha

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hey,,,,,,,, guys ,,,,,, i have Intel® Desktop Board DZ75ML-45K mobo,,, and 4GB x 2 = 8GB DDR3 RAM,Both are corsair, first is vengeance & second is value select,,, but the problem is both are different frequencies, one runs1333 MHz & Second runs 1600MHz,So the question is Can i used thease RAM ( Different Frequencies But same brand and same Size) on this MOBO,,??????
 
Solution
You will most likely be able to use them, but both will run with the frequency and timings of the slowest RAM stick, pretty much like SLI works.

MADD617

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Dec 18, 2014
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Well in that case, it will work, but like Pr3di said, the 1600mhz stick will be downclocked to 1333mhz.
 

chandan lalit jha

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so can this is possible ,,,,i use only 1 x 4GB RAM 1600MHz in this mobo ,,,,,,,this mobo has a 4 DIMMs Port
 

chandan lalit jha

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so can this is possible ,,,,i use only 1 x 4GB RAM 1600MHz in this mobo ,,,,,,,this mobo has a 4 DIMMs Port
 
First of all, the standard memory speed is on your board is either 1333mhz or 1066mhz. Even if you install 1600mhz memory its going to run at 1333mhz (or maybe even 1066 if that is the default speed of your board) until you overclock it to 1600mhz, or enable the XMS memory function if your board is equipped. Memory does not "run" at anything by its self. Memory is sold by the fastest speed it is guaranteed to work at. The speed it works at is set by your motherboard and processor combination. If you want memory that runs faster than the default speed, you buy memory that has a faster rating, and you overclock it to that speed. So in short, if you install these 2 memory sticks, they will be running at 1333mhz or maybe even only 1066, which ever is the standard or default speed rating of your board/processor combination. It is better to have 8 gig of memory running at a slower speed than only 4 gig running faster. There is not a big difference you will notice between any of these speeds of memory anyway, its very small and you will likely not be tell except running benchmark programs.