cpu power connectors

Dec 22, 2018
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so I have the be quiet pure power 700w cm psu and there's two cpu power cables coming out from the back, one is labelled cpu1 -P4 and the other one cpu2 -P8 they're both 4pin connectors but the shapes on that cable and the mobo (gigabyte z370 hd3) cpu power connector (8pin) don't match up (the plugs will go in tho) should I pulg them both in and which plug should go on the left and which one on the right... they don't have an interlocking mehanism. your help is very much appreciated...
liam