Description: English instructions for installing Thunderbolt 3 upgrade card into Sonnet's Echo Express SE II Thunderbolt-to-PCIe card expanssion system. This is revision b of this document.
If you feel you need a much quieter fan, the following Noctua fan will have the correct airflow. This fan has a three-pin connector, but it will work connected to the Sonnet two-pin header. Just make sure that the black and red wires get connected to the header.