Nvidia gtx 960, ryzen 5 1600, gigabyte b450m s2h mobo, apacer panther 16gb ram, zalman zm500 le psu, my psu have 4+4 pinned cable for atx 12v, while my mobo has 8, so i insert 4+4 to mobo is it a mistake?full system spec? include make and mode of the psu