"Mixing ram" 4gb with 8gb(so I can have 12gb of ram)

[JohnyON-forums]

I already have 4gb of ram (4Gb RAM DDR3 MEMORY KINGSTON CL9 -1333Mhz- KVR13N9S8/4 ) and I'm thinking of buying 8gb of ram for more performance...
I have this ram stick in my mind :https://www.amazon.com/Kingston-HyperX-FURY-1333MHz-DDR3/dp/B00J8E9230
It has the same frequency and timings and it is from the same "brand" kingston
What do you think..will I have any problems?
My motherboard:
Gigabyte B85M-HD3
Main purpose:Gaming

 

[JohnBonhamsGhost]

there's always a good chance you will have compatibility issues with mixing RAM, even if they are the exact same make/model from different packages.
they are vigorously tested at the labs to ensure compatibility before being packaged together.
you also won't be able to make use of the motherboard's dual channel DIMM option.

for the same price you can get a good 2x 4GB dual channel 8GB 1866 set:
http://www.newegg.com/Product/ProductList.aspx?Submit=ENE&N=100007611%20601190327%20600052012%208000%20600532699%20600006069&IsNodeId=1&bop=And&Order=RATING&PageSize=60

or for another ~$20, totaling $67, you can get a good 2x 8GB dual channel 16GB 1866 set(better for modern AAA gaming):
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231528&ignorebbr=1#close

 

[Tradesman1]

No way of telling without trying, they might play or might not. Even if you get an identical 4 GB to what you have (same model) there are no guarantees they will play unless all come from a single package - the packaged set has been tested that all sticks included play nice, see my Fiction article items 2 and 6

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

 

[weberdarren97]

Will you have any problems? I can't say for sure.

You see, even two sticks with identical specs may not be compatible, even if they're the same model.

I'll quote myself from another post...

There are things about RAM that we as the buyer can't control. And it's important to understand that just because two sticks are matching specs, doesn't necessarily mean that the internal functions are the same. If internal functions are different, they may not play well together.

Plenty of manufacturers will revise something about their RAM and make changes to the way it's produced, but keep the same part number and model number. If the way it's produced was changed, then internal functions may be different, causing compatibility issues with older sticks that are the same model and part number. This is the main cause of all this confusion. This is also why I recommend getting a kit of memory that has the capacity you want, because it's guaranteed that all memory in a kit was produced exactly the same as each other.

 

[JohnyON-forums]

So the best thing to do is to just buy 8gb of ram (that as I know is enough for gaming) test if it runs good and if it doesn't I stick with the new 8gb ram and remove the old 4gb ram or do you think there is a better idea???...

 

[Tradesman1]

The 2x4GB or a set of 2x8GB is the best option....if you have a local store that allows returns could try adding a 1x8GB, and if problems give a shout and we can try timing/voltage adjustments to get them to play.

 

[JohnyON-forums]

Ok guys,thank you very much

 

[Tradesman1]

No worries, let us know how it goes