The DisplayPort passthrough supports resolutions of up to 5K 60 Hz.
THUNDERBOLT ADD IN CARD 3 EX DRIVER
An EFI driver would be a better implementation of this because the PCIe address would not need to be hardcoded (requires the cards to be in the same slots and PCIe enumeration to be. The controller supports up to 5 devices in Thunderbolt daisy-chains. I suppose MSI Thunderbolt 3 is similar to GC-ALPINE RIDGE (uses Alpine Ridge) since GC-TITAN RIDGE is the only Thunderbolt add-in card that uses Titan Ridge.
It has two full-size DisplayPort 1.4 inputs, a pair of included DP cables lets you connect the card to your graphics card. The compact, yet full-height add-on card features a PCI-Express 3.0 x4 host interface, and is based on Intel JHL8540 "Maple Ridge" controller. The card works exclusively with ASRocks Intel 500-series chipset motherboards that have a special header needed by the card called 'TBTHeader' (similar to the 'TBHeader' on. In addition, the card needs a 9-pin USB 2.0 connection to one of the vacant headers on the motherboard. ASRock today unveiled the Thunderbolt 4 AIC, an add-on card that puts out two 40 Gbps Thunderbolt 4 ports in the USB-C form-factor, with DisplayPort 1.4 passthrough. The card works exclusively with ASRock's Intel 500-series chipset motherboards that have a special header needed by the card called "TBT_Header" (similar to the "TB_Header" on certain ASUS motherboards). ASRock today unveiled the Thunderbolt 4 AIC, an add-on card that puts out two 40 Gbps Thunderbolt 4 ports in the USB-C form-factor, with DisplayPort 1.4 passthrough.