so i have 8gb of gskill sniper ram DDR3 1600 cl9-9-9-24 1.25v 4Gx2 on my pc atm. got a set of gskill ripjaws 8gb DDR3 1600 cl9-9-9-24 1.5v 4Gx2 from my little bro pc as he bought a pre built one and didnt know what to do with his old setup just wondering if this ram will work together