Belkin F5U257 USB to Serial Cable Adapter - Office Depot
Belkin USB-C Docking Station - Dual 4k - 2xHDMI, USB, Ethernet Ports - 85W PD for Macbook Pro, iPad Pro & Chromebook - INC002TTBK - Docking Stations & Port Replicators - CDW.com
Belkin USB C Hub, 11-in-1 Docking Station For MacBook Pro/Air - 4K HDMI, DP, VGA, 100W PD, USB A, Gigabit Ethernet, SD - INC004BTSGY - Docking Stations & Port Replicators - CDW.com