Logitech SmartDock Extender Box with 5-in-1 Cable 960-001095 B&H
Logitech SmartDock Extender Box with 5-in-1 Cable and 2 HDMI Cables 10097855125115 | eBay
Logitech SmartDock Large Skype Room System - Video conferencing kit - with SmartDock Extender Box, Surface Pro 4 (i5, 128GB, 4GB), Logitech Group + Expansion Mics at TigerDirect.com