HP Elitebook 840 G6 with Core i5 8365U: TB3 PCIe lanes?
So, you are soure on 100% that thunderbold 3 has 2 lanes? Is any laptop database where i can write this information?
100% sure - your Elitebook 840 G6 has a 2-lane TB3 controller with a reduced 16Gbps maximum PCIe bandwidth. A 4-lane TB3 controller has a 22Gbps maximum PCIe bandwidth. See measured bandwidth comparison of 16Gbps-TB3 (2-lane) and 32Gbps-TB3 (4-lane) at:
We database by denoting a build using this system as having 16Gbps-TB3 bandwidth at:
I added a new eGPU Setup with this model --> https://egpu.io/forums/builds/hp-elitedesk-840-g6-windows-10-2004-build-akitio-node-amd-rx5700-xt/