Amazon has the NETGEAR CM1150V Nighthawk DOCSIS 3.1 Cable Modem with Voice for Xfinity by Comcast Internet & Voice (Supports Cable Plans Up to 2 Gigabits, 2 Phone Lines, 4 x 1G Ethernet Ports) for $189 with free shipping. Same price direct from Netgear (get an additional 10% off by signing up for their newsletter).