my ram is G.Skill Ripjaws-X 8GB(2x 4GB) Memory Kit - 240pin DIMM - PC3-17000 - 2133MHz - CL11-11-11-30-2N - 1.5v - Unbuffered - Non-ECC (F3-17000CL11D-8GBXL) and i just ordered another 8gb kit of the same i read somewhere on here that 4 DIMM,s dont overclock aswell as 2 DIMM's will this be an issue if i want to run all 16gb at 2133 Mhz. dose anyone know the optimum settings for these ram chips on an asrock fatal1ty gen3 z68 MOBO and an i5-2500k cpu
Overclocking ram to 2133 Mhz
- Thread starter dylan1990
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inzone
Champion
- Mar 12, 2011
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Your ram is rated at 2133 mhz and unless your going to overclock it then it should run at the advertised speed. In the bios to get your ram to run at the specified speed you have to enable the XMP Profile or select the speed in the memory options , whichever way your motherboaqrd is set up.
The thing with running four sticks of ram in a four slot board is that the memory will run better if all the slots are not used. So if you want to run 8gb then 2 x 4gb qould be better than 4 x 2 gb , in your case the 16 gb would be better in 2 x 8 gb instead of 4 x 4 gb but you already have some of the ram and your adding to it so you really have no choice , unless you were to sell what you have and buy new.
The thing with running four sticks of ram in a four slot board is that the memory will run better if all the slots are not used. So if you want to run 8gb then 2 x 4gb qould be better than 4 x 2 gb , in your case the 16 gb would be better in 2 x 8 gb instead of 4 x 4 gb but you already have some of the ram and your adding to it so you really have no choice , unless you were to sell what you have and buy new.
in a word, (and echoing inzone)
optimal settings are the xmp profile. set it in your bios and be done with it.
the whole point of "xmp profile" is to give you the "optimal gaming settings" so you don't need to go through the hassle to manually adjust things.
enjoy your up to 2% increase for buying fancier ram.
optimal settings are the xmp profile. set it in your bios and be done with it.
the whole point of "xmp profile" is to give you the "optimal gaming settings" so you don't need to go through the hassle to manually adjust things.
enjoy your up to 2% increase for buying fancier ram.
geofelt
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- Oct 9, 2006
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A motherboard needs to control all the ram with the same voltage.
That is harder to do with 4 sticks vs. 2.
Ram is sold in kits for a reason.
Ram from the same vendor and part number can be made up of differing manufacturing components over time.
Some motherboards can be very sensitive to this.
That is why ram vendors will not support ram that is not bought in one kit.
Although, I think the problem has lessened with the newer Intel chipsets. Still,
it is safer to get what you need in one kit.
If you have a problem at 2133, just back off to a lower number.
Synthetic benchmarks will suffer, but your real app performance or fps will be minimally affected.
Read this for an explanation:
http://www.anandtech.com/show/4503/sandy-bridge-memory-scaling-choosing-the-best-ddr3
That is harder to do with 4 sticks vs. 2.
Ram is sold in kits for a reason.
Ram from the same vendor and part number can be made up of differing manufacturing components over time.
Some motherboards can be very sensitive to this.
That is why ram vendors will not support ram that is not bought in one kit.
Although, I think the problem has lessened with the newer Intel chipsets. Still,
it is safer to get what you need in one kit.
If you have a problem at 2133, just back off to a lower number.
Synthetic benchmarks will suffer, but your real app performance or fps will be minimally affected.
Read this for an explanation:
http://www.anandtech.com/show/4503/sandy-bridge-memory-scaling-choosing-the-best-ddr3
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