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Why two 4pin connectors

Hello,
I have purchased a Cooler Master 80mm cabinet fan. They also provided a connector which has got two 4pins to one 2pin connector.
Now, should I connect both the 4 pins to the PSU or only 1.
Currently, I have connected only one 4pin connector to the PSU, is my fan running with less power??
Should I connect both the 4pins??

Thank You
4 answers Last reply Best Answer
More about 4pin connectors
  1. Best answer
    just the one.
  2. Its whats known as a passthrough connector, so you can link several devices or fans on the same power line
    Moto
  3. Best answer selected by avi_in_lamborghini.
  4. This topic has been closed by Mousemonkey
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