Sir my pc spec is CPU i7 4790k.gpu is zotac 750ti.mobo is Asus z97A.and Ram is Adata ddr3 1600.16gb sir my question is that I don't want to overclock my CPU but while copy pasting files the speed is less can you suggest me how to improve speed wether I have to change ram with ddr3 2400.please suggest me the best.