Coolerguys Mini 3-4 pin fan adapter (Single) Go to amazon.com Related posts Top 10 best 4 pin connector fan for 2022 FeatureUse to connect any 3pin fan to a 4pin molex connectorall 4pins passthroughSmall, 4" in lengthsleeved wires DescriptionMini 3-4 pin adapter: Connect any 3pin fan to a 4pin molex connector, Sleeved black