Ram for existing gaming setup

Solution
There's no saying if they will work, as mixing RAM isn't necessarily always going to work, even if they are 'Compatible'. If you're willing to add that RAM into your system after purchase, then go ahead, and if it works it works, either way, if the RAM works on their own, then the extra 8GB will be a nice upgrade, and the 2x4GB can be put aside for spares if anything ever goes wrong.
There's no saying if they will work, as mixing RAM isn't necessarily always going to work, even if they are 'Compatible'. If you're willing to add that RAM into your system after purchase, then go ahead, and if it works it works, either way, if the RAM works on their own, then the extra 8GB will be a nice upgrade, and the 2x4GB can be put aside for spares if anything ever goes wrong.
 
Solution
its on how many memory slots u have if its 4 then u can use Crucial Ballistix 16GB Kit and 2x4 also otherwise uh can go on wid Crucial Ballistix 16GB Kit (2 x 8GB) DDR3-1600 UDIMM