Here is another one, AQ-SWITCH SE Audiophile High-End Network Switch from AQVOX.
Dave Clark did a review on the switch with external PSU here:
https://positive-feedback.com/audio-discourse/the-aqvox-se-switch/
Dave Clark did a review on the switch with external PSU here:
https://positive-feedback.com/audio-discourse/the-aqvox-se-switch/