Add HDMI and Gigabit Ethernet plus USB-A and USB-C ports (5Gbps) to your laptop through a single USB Type-C cable USB-C adapter provides HDMI support with 4K Ultra HD 4096 x 2160p @ 24Hz or 3860 x 2160p @ 30Hz Mobile laptop dock for Dell Precision / Dell XP / MacBook or other USB-C laptop 4-in-1 multiport adapter supports 4K HDMI and GbE plus USB-A and USB-C Thunderbolt 3 port compatible TAA compliant USB-C Adapter with USB Hub USB-C Digital AV Multiport Adapter / USB-C dock / USBC