Hi I wanna build a new pc (theme black and white). the problem i have is i want the ram to be 1 black 4gb stick(Kingston HyperX Fury black HX316C10FB/4) and 1 white 4gb stick (Kingston HyperX Fury white HX316C10FW/4) do these works as sepperated ram 4gb + 4gb or together as 8gb ram ?