incompatible water pump power connector

Forum discussion tagged with incompatible water pump power connector.
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    Question PLS HELP!! Water cooling power issue!

    Can someone tel me if i have to return the cooler or is there an adapter to connect my motherboard and cpu pump Pcpart picker said everything was fine but the pump power cord is 3 pin hole side and the mother board had 4 pins but it also has a little blockage, am i supposed to remove that. How...