Amazon.com: NETGEAR Cable Modem CM400 - Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 100 Mbps | DOCSIS 3.0, Black, 8x4 Cable Modem (CM400) : Electronics
Amazon.com: ARRIS SURFboard mAX Pro (16x4) DOCSIS 3.0 Cable Modem, approved for Cox, Spectrum, Xfinity & more : Everything Else
Amazon.com: NETGEAR CM500-1AZNAS (16x4) DOCSIS 3.0 Cable Modem, Max Download speeds of 686Mbps, Certified for Xfinity from Comcast, Spectrum, Cox, Cablevision & More (Renewed) : Electronics
Amazon.com: TP-Link TC-7610 DOCSIS 3.0 (8x4) Cable Modem. Max Download Speeds Up to 343Mbps. Certified for Comcast XFINITY, Spectrum, Cox, and more. Separate Router is Needed for Wi-Fi : Electronics
Amazon.com: D-Link DOCSIS 3.0 Cable Modem (DCM-301) Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and More : Electronics