- Intel-certified Thunderbolt 4 add-on card
- 40 Gbps bi-directional bandwidth for superfast data transfers and video output
- Dual Thunderbolt 4 ports (USB-C), with support for up to five Thunderbolt devices in a daisy chain
- DisplayPort 1.4 for 8K Ultra HD support
ASUS ThunderboltEX 4 is a Thunderbolt 4 add-on card that offers 40 Gbps bi-directional bandwidth, USB4 device compatibility, and a Mini DisplayPort 1.4. It supports up to five Thunderbolt devices in a daisy chain and enables up to 100-watt USB-C charging for laptops.