4 Pin: The 4 pin PWM fan splitter has 1 female 4 pin connector and 4 male 4 pin connectors (1 for 12V CPU, 4 for case fan). Feature: 1. 5 Way: The PWM fan hub splitter has 3 pin and 4 pin connectors for extended 5 way fans, and five computer fans share a 4Pin connector.
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