Optional Ports: Choose one of the following connectivity hubs: Advance hub: [1 cash drawer connector; 3 USB 2.0 Type-A; 2 power serial, 4 SuperSpeed USB Type-A 10Gbps signaling rate,1 RJ-45 USB NIC,1 DC connector,1 SuperSpeed USB Type-C®? 5Gbps signaling rate (27W USB Power Delivery, Alt Mode DisplayPort™?),1 140W data port].Column hub: [3 SuperSpeed USB Type-A 10Gbps signaling rate,1 RJ-45 USB NIC,1 DC connector, 2 USB 2.0 TypeA,1 SuperSpeed USB Type-C®? 5Gbps signaling rate (27W USB Power Delivery, Alt Mode DisplayPort™?),1 140W data port]. Vesa hub: [3 SuperSpeed USB Type-A 10Gbps signaling rate,1 RJ-45 USB NIC,1 DC connector, 2 USB 2.0 Type-A,1 SuperSpeed USB Type-C®? 5Gbps signaling rate (27W USB Power Delivery, Alt Mode DisplayPort™?),1 140W data port].Combination of Advance hub with Column hub; Combination of Advance hub with VESA hub |