Hello, Short answer no it doesn't long answer on computers shipped with NVIDIA GeForce RTX 3050 and RTX 3050 Ti  On computers shipped with NVIDIA GeForce RTX 3060   full specifications here 
I have a G15 5515 with NVIDIA Ge Force RTX 3060. The documentation on the web indicates that it supports a Thunderbolt 3 (USB 3.2 Gen 2 Type-C) port/DisplayPort. USB device can work on this port, however I can't get any Thunderport devices to work. Is Thunderbolt 3 really supported, or is it just a USB 3.2 port? Thanks
Does Dell G15 5515 support Thunderbolt 3