SKU: 90MC09P0-M0EAY0
ASUS ThunderboltEX 4 is a Thunderbolt 4 add-on card that offers 40 Gbps bi-directional bandwidth, USB4 device compatibility, and 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.