NETGEAR N450-100NAS (8x4) WiFi DOCSIS 3.0 Cable Modem Router (N450) Certified for Xfinity from Comcast, Spectrum, Cox, Cablevision & More 1 ELIMINATE MONTHLY CABLE MODEM RENTAL FEES - Up to $156 per year Two-in One DOCSIS 3.0 Cable Modem + WiFi Router with 4 Gigabit Ethernet ports and 2 USB 2.0 ports Up to 340Mbps modem speed and N450 (2.4GHz) WiFi speed. 8x4 channel bonding. Use with an N900 adapter like NETGEAR WNDA4100 for maximum performance