A:Answer Yes. The first set of DisplayPort HDMI ports are either/or not both, so that will support one monitor, the next HDMI and DisplayPort can be used together for a total of three external monitors. Here is a link to the configuration guide for the ThinkPad Thunderbolt 3 Workstation Dock - 170W/230W (40AN): https://support.lenovo.com/us/en/solutions/pd029622#Thunderbolt%203%20Workstation%20Dock