PCIe Gigabyte GC-TITAN RIDGE (rev. 2.0) Intel® Thunderbolt™ 3 Certified add-in card Intel® DSL7540 Thunderbolt™ 3 controller Dual Thunderbolt™ 3 Ports (USB Type-C™) Max Bandwidth 40 Gb/s DisplayPort 1.4 Capable with 4K Video Throughout Daisy-chain up to 12 Devices (6 devices per port) Support PD3.0 standard (up to 100W) https://www.gigabyte.com/Motherboard/GC-TITAN-RIDGE-rev-20#kf