The Aten US7220 2-port Thunderbolt 2.0 compliant KVM sharing switch is the first in the market is a dual-computer docking station with full KVM functionality for your workspace. You can share Thunderbolt devices, a dual-monitor setup and USB peripherals through a single cable, directly to two computers. The US7220 supports three USB 3.1 Gen 1 ports with data transfer rates up to 5 Gbps, two USB 2.0 ports with data transfer rates up to 480 Mbps, high-definition audio signals with Dolby and DTS pass-through via Mini TOSLINK; and 2.1 channel audio via 3.5 mm audio cable, Analog/Digital audio line-in and line-out, HDMI 1.4b with 4K (UHD) resolution, DisplayPort 1.2 with 4K (UHD) resolution and eSATA port for storage devices.