Intel®-certified Thunderbolt4 add-on card 40 Gbps bi-directional bandwidth for superfast data transfers and video output Dual Thunderbolt4 ports (USB-C®), with support for up to five Thunderbolt devices in a daisy chain DisplayPort1.4 for 8K Ultra HD support Enable blisteringly fast speeds and any-way-up connectivityASUS ThunderboltEX 4 is a Thunderbolt4 add-on card that offers 40 Gbps bi-directional bandwidth, USB4device compatibility, and DisplayPort1.4. It supports up to five Thunderbolt devices in a daisy chain and enables up to 100-watt USB-C® charging for laptops. Ports & interfaces USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity 2 USB 2.0 ports quantity 1 Expansion card standard PCIe 3.0 Output interface Mini DisplayPort, PCIe, Thunderbolt, USB 2.0, USB 3.2 Gen 2 (3.1 Gen 2) Host interface PCIe Design Purpose PC Product colour Black Internal Yes Features Plug and Play Yes Data transfer rate (max) 40 Gbit/s Chipset Intel Thunderbolt 4 JHL8540 System requirements Windo