f4-3600c16d-16gtzn

Ok guys need help, this two tips of memorys was with a good reviews but different prices and different manufactures Hynix and Samsung that was I know, also I know that samsung is better for overclocking better quality bla bla etc... I have question f4-3600c16d-16gvkc OR f4-3600c16d-16gtzn? What...