DELL R720, 2.4 GHz, 5 GHz, 1733 Mbit/s, 10,100,1000,2500 Mbit/s DELL R720. 2.4 GHz, 5 GHz, Maximum data transfer rate: 1733 Mbit/s, Ethernet LAN data rates: 10,100,1000,2500 Mbit/s. Product colour: White