Guide to PCIe Lanes: How many do you need for your workload?
Intel Announces Thunderbolt 3 With USB-C, Single-Cable Support for Dual 4K Displays at 60Hz - MacRumors
Intel Introduces Thunderbolt 4: What It Is and Does It Matter?
Thunderbolt's next spec triples bandwidth to 120Gbps—with a catch | Ars Technica
Amazon.com: Siliking [Intel Certified Thunderbolt 4 Cable 3.3ft,Thunderbolt Cable with 100W PD Charging and 40Gbps Data Transfer,8K@60Hz USB C Monitor Cable for Thunderbolt 3/4 MacBook Pro M1 External SSD eGpu : Electronics
eGPU: Two PCI-e lanes, no problem? - NotebookCheck.net News