Using XMP profile with 2 separate sets of same exact ram safe?

PCnoobwiz · Jul 10, 2015

I bought 2 separate sets of this ram http://www.newegg.com/Product/Product.aspx?Item=N82E16820233386 total 32gb. I was wondering if using the xmp profile would be safe? If not how would i manually set the ram timings, voltage and frequency properly at the advertised speed?

Mobo: Asus MAXIMUS VII FORMULA https://www.asus.com/us/Motherboards/MAXIMUS_VII_FORMULA/

CPU: i7 4790k (not overclocked), just base speed 4ghz (turbo 4.4). http://ark.intel.com/products/80807/Intel-Core-i7-4790K-Processor-8M-Cache-up-to-4_40-GHz

helpstar · Jul 10, 2015

nothing to worry about, set a xmp profile and verify the values by using cpu-z

PCnoobwiz · Jul 10, 2015

helpstar :

If it doesn't match what should i do?

helpstar · Jul 10, 2015

set the other xmp profile, but it's very likely, that it will match

helpstar · Jul 10, 2015

1600mhz and cl10 is really standard
why didn't you buy cl9 @ 1866 mhz ram, should be the same price i think

PCnoobwiz · Jul 10, 2015

helpstar :

I needed low profile ram due to this lol http://www.newegg.com/Product/Product.aspx?Item=N82E16835608045
Also at the time the 32gb set was out of stock.

PCnoobwiz · Jul 10, 2015

helpstar :

So here is some info on the 32gb set (4x8gb) http://www.corsair.com/en-us/vengeancer-low-profile-32gb-dual-channel-ddr3-memory-kit-cml32gx3m4a1600c10b
It's essentially the same exact thing as my 2 sets of 16gb correct? If i were to manually set the tested timing, speed and voltage for my two sets listed on this page would that be the same thing? The xmp profile is basically a preset of these 3 things right? So wouldn't that pair of settings be one of the xmp profiles?

helpstar · Jul 10, 2015

xmp profiles are fixed programmed settings from the manufacturer inside a rom of the memory. The motherboard bios just read these settings (timings, clock, voltage) and set them automatically if xmp profile is selected.
if no xmp is selected, the mainboard reads the preprogrammed jedec settings.
in both situations you normally haven't to do anything manually, even if the memory sticks were from another brand but with the same settings.

Tradesman1 · Jul 10, 2015

With two sets, if they play together, generally the BIOS can make adjustments automatically to the other secondary times. If they don't want to play you can often make timing and/or voltage adjustments to get them to play

helpstar · Jul 12, 2015

the two sets have identically timings, are from the same brand and model:
no adjustments or attention necessary

PCnoobwiz · Jul 12, 2015

helpstar :

Yes everything is identical.

Tradesman1 · Jul 12, 2015

Give them a try

PCnoobwiz · Jul 12, 2015

Tradesman1 :

OK i will. Putting the computer together sometime this week.

Tradesman1 · Jul 12, 2015

This is touched on in my article here:

http://www.tomshardware.com/reviews/ddr-dram-myths,4155.html#p6

Item #6, if any problems give a shout

We can try some adjustments

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