Best Buy: NETGEAR Dual-Band AC1200 Router with 8 x 4 DOCSIS 3.0 Cable Modem Black C6220-100NAS
How to Connect a Router to a Modem
ARRIS SURFboard DOCSIS 3.0 Cable Modem / N600 Wi-Fi Dual-Band Router. Approved for XFINITY Comcast, Cox, Charter and most other Cable Internet providers for plans up to 150 Mbps.(SBG6580) - Walmart.com