ARRIS SURFboard SB6183 / 16 x 4 WHITE Cable Internet Modem Gaming Speed | eBay
CM500 16 x 4 DOCSIS 3.0 Cable Modem by NETGEAR® NGRCM500100NAS | OnTimeSupplies.com
ARRIS SURFboard (16x4) DOCSIS 3.0 Cable Modem / AC1900 Dual-Band WiFi Router. Approved for XFINITY Comcast, Cox, Charter and most other Cable Internet providers for plans up to 300 Mbps. (SBG6950AC2) - Walmart.com