do you mean how you can connect them to power or something else?
if you just want to hook them up you can either connect them to the slots on the motherboard (3 pin) or directly to the power supply (the big blocky 4 pin molex) or you can get a fan controller and connect them to that via 3 pin again.
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if you just want to hook them up you can either connect them to the slots on the motherboard (3 pin) or directly to the power supply (the big blocky 4 pin molex) or you can get a fan controller and connect them to that via 3 pin again.