GRL is the worldwide 1st Thunderbolt™ Certified Lab by Intel and Apple since 2012. Thunderbolt 4 can tunnel DisplayPort, PCI Express, USB 3.2 with its transfer data rate up to 40Gbps (20Gbps x2) through USB-C with the PD capability.
Thunderbolt™ 4 Systems and Devices Compliance Test and debug.
Tests include the following:
Contact GRL for more details