Will the GEN2 Thunderbolt 3 Hub work without the power supply? Joseph I November 09, 2020 23:27 The power supply is required to use the Hub. Without it, the Hub will not work properly. Related articles How do I set up multiple monitors through the Thunderbolt 3 Hub? How long is the included Thunderbolt 3 cable? Self assigning IP address and other network issues GEN2 Thunderbolt 3 Hub device specs GEN2 USB-C Hub device specs & Quick Start Guides Comments 0 comments Please sign in to leave a comment.