Learn more aboutSTARTECH TB31PCIEX16. Thunderbolt 3 to PCIe x16 and DisplayPort. When the dock is connected to your host laptop, a charging icon may appear on your laptop's screen. DisplayPort 5K monitors will not work with this expansion chassis.A 4K-capable display is required to achieve 4K x 2K resolution (4K is also known as 4K x 2K).
eBay