Silent PCs, and the best quiet PC components including quiet cases, quiet computer cooling, quiet power supplies, quiet hard drives, and quiet CPU fans.
Adapters & Cables - ZM-MC1 Power Supply Multi-Connector
This adapter converts power for +5V or +12V power on a power supply to any additional fans that you might want to install. Connect it to the power supply's output connector and simply attach the fans to the 3-pin connectors at the other end.