ASUS released the ThunderboltEX 4 expansion card that can be connected to the motherboard’s PCI-Express 3.0 x4 interface, giving a 40Gbps full-speed transmission and 100W external power supply.

The ASUS ThunderboltEX expansion card has two Thunderbolt 4 ports, each with a bidirectional bandwidth of 40Gbps, and two mini PD input ports.

According to the official, users can utilize the attached DisplayPort to mini-DisplayPort cable to connect the graphics card to the ThunderboltEX 4 expansion card, and then output through the USB-C interface.  The main controller of this expansion card is the Intel JHL8540 Thunderbolt 4 controller.

This ThunderboltEX 4 expansion card requires a 6 pin power supply because each Thunderbolt 4 interface can provide up to 100W of power. Currently, ASUS has not declared the cost of this expansion card.



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