StarTech.com USB C Multiport Adapter Dual HDMI Video 4K 60Hz 2Pt 5Gbps USB-A Hub 100W Power Delivery Pass-Through/GbE/SD 12/30cm Cable Travel Laptop Docking Station (120B-USBC-MULTIPORT)Genre: AccessoriesThis USB Type-C Multiport Adapter with DP 1.4 Alternative Mode DSC and MST supports dual-HDMI (HDR) video with resolutions of up to 4K 60Hz uncompressed video. The mini travel dock turns your Dell XPS Lenovo X1 Carbon HP Elite/ProBook or other USB-C laptop into a workstation anywhere you go. The USB-C docking station provides dual HDMI outputs a 2-port USB 3.2 Gen 1 Type-A (5Gbps) Hub including a BC 1.2 port to power and charge a USB peripheral SD and MicroSD card readers and a Gigabit Ethernet port all through one connection to your laptop's USB-C or Thunderbolt 3/4 port. In addition it offers advanced charging through USB Power Delivery (PD) 3.0 pass-through via an integrated 12-inch (30 cm) USB-C host cable for more set up flexibility. High-Performance Dual-HDMI Video via MST The compact docking station connects your laptop to two HDMI monitors creating a powerful workstation. It supports DP 1.4 Alt Mode with DSC and MST for uncompressed video performance up to dual 4K (3840 x 2160p) at 60Hz depending upon your host computer. The dock also supports the use of ultrawide monitors. Video performance such as resolution and refresh rate across both monitors is dependent upon your host computer and its video controller. A source device with support for DisplayPort 1.4 paired with DSC and DP 1.4 enabled HDMI displays are required to achieve dual 4K 60Hz. Please review the specifications of your computer and displays to determine expected video performance. StarTech.com performs rigorous performance benchmarks with all major computer models. The video performance results of our testing are listed below: Dual Display Host Computer Model Monitor #1 Maximum Resolution Monitor #2 Maximum Resolution Lenovo X1 Carbon G9 3840x2160@60Hz 3840x2160@60Hz HP EliteBook 850 G8 3840x2160@60Hz 3840x2160@30Hz Dell XPS 9310 2560x1600@60Hz 2560x1600@60Hz Single Display Host Computer Model Monitor Maximum Resolution Dell XPS 9310 3840x2160@60Hz Lenovo X1C