will I have any problems?

djdean7

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I have an 8gb (4gbx2) set of hyperx fury 1866mhz ram and I might be purchasing a 16gb (8gbx2) set of hyperx fury 1333mhz. If I use these sets together will I have any problems? Thanks
 
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Correct and has been a problem (though smaller) going back to DDR2 and DDR. There is no guarantee in mixing sets, that's why the manufacturers offer such a wide variety of sets, I've had sets with consecutive serial numbers that would play at all, oft times you can get sets to play with voltage/timing adjustments but again no guarantees. The forums are full of people...
You can depending on the motherboard but the intrinsic differences in the RAM and the motherboard's ability to adapt are unknown. You literally can't predict if two different sets of RAM will work together.

If you're running out of memory you should figure out why you're running out of memory rather than going out and buying more RAM. 8GB should be more than enough for running games and some open applications.
 

djdean7

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I have a z97x gaming 3 I know I can oc Im just not sure on the timing, and it happened a few times but hasn't done it since so I'm not sure really its just about filling the spare slots on my mobo haha
 

Tradesman1

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It doesn't matter if you get the 8GB set or the 16GB set, there's still a chance it will be problematic in mixing two sets. I'f you get the 16GB set it will/should work fine and if it will play with the old, it's a bonus, else you can use the old in another rig or sell them off
 

djdean7

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are you saying if i get another 8gb hyperx fury 1866 set which is what i already have there is a chance of them not working together? i thought this was only a problem with ddr4 on some motherboards?
 

Tradesman1

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Correct and has been a problem (though smaller) going back to DDR2 and DDR. There is no guarantee in mixing sets, that's why the manufacturers offer such a wide variety of sets, I've had sets with consecutive serial numbers that would play at all, oft times you can get sets to play with voltage/timing adjustments but again no guarantees. The forums are full of people trying to mix sets of DRAM - even the same exact model
 
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djdean7

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is it not recommended to buy a set and then add in another set later of the same make and model? having a hard time understanding why the same make and model ram with matching timings and latency would not work together
 

Tradesman1

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That goes to what I said earlier, the DRAM manufacturers offer such a variety to fulfill the needs, the sticks in a given set have been tested that they all play together (also why quite often a 4 stick set is a little more expensive than buying two 2 stick sets, it takes more testing to find 4 that will all play nice, it's possible you could pull 10 sticks right off the assembly line and maybe only be able to get 4 sticks that all played nice at spec. If it were as easy to just mix DRAM as many seem to think it is, the manufacturers would simply sell 1 stick packages and let everybody buy as many as they want and make bigger profits, they don't because they would go broke between support and RMA costs