Building PC Question: Liquid Cooler Installation Confusion

mediatekk

Distinguished
Apr 18, 2015
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I'm installing a Kraken x61 that does not come with directions other than how to screw the fans on to the radiator.

The Kraken has:
a 4 pin connector
multiple connectors for the fans
a cable with a flat-ish connector labeled "SATA"

My mobo has a 3 pin CPU1 - I plugged in the 4 pin connector to it because the Youtube video I watched says it goes there. Not sure why a 4 pin goes on a 3 pin but whatever.

I plugged in the fans.

I ran a separate cable from the modular PSU to the designated CPU power pins on the mobo.

What is this SATA cable thingy and where do I stick it?