Intel Thunderbolt 4 Certified add-in card Intel JHL8540 Thunderbolt 4 controller Dual Thunderbolt 4 Ports (USB Type-C) Max Bandwidth 40 Gb/s DisplayPort 1.4 Capable with 4K Video Throughout Daisy-chain up to 10 Devices (5 devices per port) Support PD 3.0 standard (up to 97W)