OWC USB-C Dual HDMI 4K Display Adapter with DisplayLink
5K/4K Pro USB C Docking Station with Laptop Power Delivery; Dual Display HDMI+DisplayPort; Gigabit Ethernet RJ45; USB 3.0/2.0, Audio Jack
Monoprice 5-in-1 USB-C to 4K@60Hz HDMI Display Adapter and USB Hub - Monoprice.com
27” IPS 4K UHD Computer Monitor | 27BP85U-W | LG US Business
Review: LG's USB-C-enabled 4K Monitor lends single cable simplicity to 12" MacBook owners, but not without some compromises - 9to5Mac
24” UltraFine™ 4K IPS Monitor with macOS Compatibility | LG US Business
Amazon.com: Plugable USB 3.0 and USB-C Dual 4K Display Docking Station with DisplayPort and HDMI for Windows and Mac (Dual 4K DisplayPort & HDMI, Gigabit Ethernet, Audio, 6 USB Ports) Vertical :