ARRIS SURFboard 16x4 Cable Modem / AC1600 Dual-Band WiFi Router. Approved for XFINITY Comcast, Cox, Charter and most other Cable Internet providers for plans up to 300 Mbps. - Walmart.com
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ARRIS SURFboard SB6183 16x4 Docsis 3.0 Cable Internet White Modem Gaming Speed 612572204009 | eBay