4 Pin vs 2 Pin molex adapter for fans?

Dennis_3

Reputable
Aug 27, 2015
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4,510
I just bought 2 molex to fan adapters to power my H110i cooling pump. One adapter has 2 male pins on the molex side and the other has 4 male pins on the molex side. Is there a difference? I only need one obviously but I got both just in case since they were inexpensive. Thanks