There are many type of cox cable recommended modem, you can check below list with features

ARRIS SURFboard SB8200 DOCSIS 3.1 Gigabit Cable Modem, Approved for Cox, Xfinity & others, (white)

$199.99
$133.56  in stock
6 new from $179.99
18 used from $133.56
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as of June 23, 2020 5:46 am

Features

  • Compatible with major U S Cable Internet Providers including Cox, Xfinity & others Not compatible with ATT, Verizon, CenturyLink or other DSL or Fiber internet providers
  • DOCSIS 3 1 Cable Modem best for cable internet speed plans up to 2 Gbps
  • 32 downstream x 8 upstream DOCSIS 3 0 bonded channels, 2 downstream x 2 upstream OFDM DOCSIS 3 1 channels
  • Two 1-Gigabit Ethernet ports capable of link aggregation
  • Cable internet service required Does not inlcude Wi-Fi and does not support cable digital voice service

MOTOROLA MG7550 16x4 Cable Modem Plus AC1900 Dual Band WiFi Gigabit Router with Power Boost and DFS, 686 Mbps Maximum DOCSIS 3.0 - Approved by Comcast Xfinity, Cox, Charter Spectrum, More (Black)

$219.99
$149.99  in stock
6 new from $149.99
5 used from $173.00
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as of June 23, 2020 5:46 am

Features

  • 16x4 DOCSIS 3.0 cable modem plus a built-in AC1900 Dual Band (2.4 GHz and 5 GHz) WiFi Gigabit Router with four Gigabit (GigE) Ethernet ports, a firewallDFS, Power Boost, and more. This product is recommended for actual cable Internet service speeds up to 375 Mbps. A Broadcom cable modem chipset provides security from Denial of Service attacks. WiFi performance is exceptionally good, even in multi-dwelling units with lots of WiFi noise from neighbors. DFS and Power Boost are key
  • Requires cable Internet service. Approved by and for use with Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, Time Warner Cable, Suddenlink, WOW!, CableOne and other cable service providers. ELIMINATE CABLE MODEM RENTAL FEES UP TO 156 DOLLARS PER YEAR. (Savings are shown for Xfinity and vary by cable service provider. No cable modem is compatible with fiber optic, DSL, or satellite services from Verizon, AT&T, CenturyLink, Frontier, and others. Model MG7550 has no phone jack.)
  • Built-in high-speed WiFi router with AC1900 WiFi, and Power Boost, and DFS provides Internet access for WiFi devices including smartphones, notebooks, tablets, game stations, HDTVs, Amazon Echo, Google Home, Chromecast, Roku, Amazon Fire TV, and AppleTV. Four 10/100/1000 Gigabit Ethernet LAN ports provide wired connections to Windows and Mac computers, HDTVs, game stations, streaming TV devices, and other Ethernet-capable devices.
  • Wireless Power Boost adds high-performance WiFi power amplifiers to boost the wireless signals to the legal limit, giving a significant boost in speed and range. The router can work on WiFi DFS frequencies, unlike most routers, so it is much less vulnerable to WiFi interference from neighbors. In addition, AnyBeam beamforming at both 2.4 GHz and 5 GHz frequencies focuses the signal on wireless clients to further enhance performance and range.
  • Integrating the cable modem and router creates a reliable connection that reduces unwieldy wiring and power adapter clutter while conserving desk space. The vertical design minimizes shelf space and improves cooling while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment. Includes phone and web support by friendly, professional USA-based technical support specialists. Phone support is provided in English and Spanish.

MOTOROLA 24x8 Cable Modem, Model MB7621, DOCSIS 3.0. Approved by Comcast Xfinity, Cox, Charter Spectrum, Time Warner Cable, and More. Downloads 1,000 Mbps Maximum (No WiFi)

$109.99
$77.98  in stock
5 new from $77.98
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as of June 23, 2020 5:46 am

Features

  • Model MB7621 is recommended for actual cable Internet service speeds up to 650 Mbps. Wirecutter rates this “the best modem for most people.” A Full-Band Capture Digital Tuner ensures faster, more reliable Internet.
  • This cable modem's one Gigabit Ethernet port connects to a WiFi router, computer, HDTV, game station, or streaming video device. Great for use with Whole Home WiFi or Mesh networks like eero, Google WiFi, and Orbi. (This cable modem does not have a built-in wireless router or telephone call capability. The Motorola MG7315, MG7540, MG7550, and MG7700 have a built-in wireless router.)
  • Requires cable Internet service.Approved by and for use with Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, Time Warner Cable, BrightHouse, CableOne, SuddenLink, RCN, and other cable service providers. ELIMINATE CABLE MODEM RENTAL FEES UP TO 156 DOLLARS PER YEAR.(Savings are shown for Xfinity and vary by cable service provider. No cable modem is compatible with fiber optic, DSL, or satellite services from Verizon, AT&T, CenturyLink, Frontier, and others. Model MB7621 has no phone jack.)
  • Setup is fast and easy using the Quick Start guide. Experienced USA-based Motorola customer support specialists are happy to help if you need them. Support is in English or Spanish.
  • Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment. Includes phone and web support by friendly, professional USA-based technical support specialists.

MOTOROLA 8x4 Cable Modem, Model MB7220, 343 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Time Warner Cable, Cox, BrightHouse, and More (No Wireless)

$46.99
$40.65  in stock
4 new from $46.99
16 used from $40.65
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as of June 23, 2020 5:46 am

Features

  • This 8x4 DOCSIS 3.0 cable modem provides speeds up to 343 Mbps, eight times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet.
  • Cable modem's Ethernet port connects to a computer, HDTV, game station, or wireless router. (This cable modem does not have a built-in wireless router or VoIP telephone adapter. The Motorola MG7310, MG7315, and MG7550 have a built-in wireless router.)
  • Requires cable Internet service. Certified by Comcast XFINITY, Time Warner Cable, Cox, BrightHouse, and other leading cable service providers for modem ownership programs that typically save rental charges of $120 or more per year
  • Setup is fast and easy with a few quick steps set out in a Quick Start guide. Experienced USA-based customer support specialists are there to help if you need them.
  • Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment.

ARRIS SURFboard SB6141-RB 8x4 DOCSIS 3.0 Cable Modem (Renewed)

$79.99  in stock
1 new from $79.99
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as of June 23, 2020 5:46 am

Features

  • Approved on Comcast Xfinity, Spectrum (Charter, Time Warner, Brighthouse Networks), Cox, Mediacom, Suddenlink and most other US Cable Internet Providers. NOT compatible with Verizon, AT&T or Centurylink. REQUIRES Internet Service.
  • Wired modem only. Does not include WiFi router or VOIP Telephone adapter. Gigabit Etherent port to connect to PC or Router.
  • 8 Download Channels and 4 Upload Channels capable of up to 343 Mbps download and 131 upload speeds. Recommended for Internet Plans up to 100 Mbps.
  • Supports both IPv4 and IPv6, the latest standard.
  • 90 Day Warranty. ARRIS Certified Refurbished. US Technical support. ARRIS Certified Refurbished products will ALWAYS be branded ARRIS, Never Motorola! If you get Motorola branded product they are illegitimate, need to be returned to Seller and Reported to Amazon

MOTOROLA MB8600 DOCSIS 3.1 Cable Modem, 6 Gbps Max Speed. Approved for Comcast Xfinity Gigabit, Cox Gigablast, and More

$179.99
$159.99  in stock
4 new from $159.99
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as of June 23, 2020 5:46 am

Features

  • TOP INTERNET SPEEDS FOR ALL CABLE INTERNET SERVICES - Wirecutter recommends this as the best cable modem for people using Gigabit Internet plans. Built-in DOCSIS 3.1 and DOCSIS 3.0 32x8 capabilities give top Internet speeds for all cable Internet services, from the slowest to the fastest.
  • ELIMINATE UP TO 156 DOLLARS PER YEAR IN CABLE MODEM RENTAL FEES. (Savings are shown for Comcast Xfinity and vary by cable service provider.) Approved by Comcast Xfinity and Xfinity X1, Cox, and CableOne for all speeds including Comcast Gigabit services and Cox Gigablast. Not compatible with RCN. No cable modem is compatible with fiber optic, DSL, or satellite services, available from Verizon, AT&T, CenturyLink, Frontier, and others.)
  • WORKS WITH ANY WiFi ROUTER YOU LIKE - including Whole Home WiFi or Mesh routers like eero, Google WiFi, and Orbi. This cable modem does NOT have a built-in wireless router or telephone call capability.
  • A BROADCOM CHIPSET PROVIDES SECURITY FROM DENIAL OF SERVICE ATTACKS - a 10/100/1000 Gigabit Ethernet port allows connection of any SINGLE device with an Ethernet port including a router, Windows or Mac computer, HDTV, or game station.
  • ACTIVE QUEUE MANAGEMENT (AQM) SIGNIFICANTLY REDUCES INTERNET LATENCY - on both DOCSIS 3.1 and 3.0 services. AQM results in faster page loads for all Web traffic and greatly enhances interactive applications like online gaming and video conferencing. The MB8600 also includes a full-band capture digital tuner to enhance speed and save energy.

NETGEAR N600 (8x4) WiFi DOCSIS 3.0 Cable Modem Router (C3700) Certified for Xfinity from Comcast, Spectrum, Cox, Spectrum & more

$99.77  in stock
37 new from $73.99
27 used from $46.00
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as of June 23, 2020 5:46 am

Features

  • ELIMINATE MONTHLY CABLE MODEM RENTAL FEES Up to $120 per year
  • Two in One DOCSIS 3.0 Cable Modem + WiFi Router with 2 Gigabit Ethernet ports and 1 USB 2.0 port.System Requirements Microsoft Windows 7, 8, Vista, XP, 2000, Mac OS, or other operating systems running a TCP/IP network. Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher
  • Up to 340Mbps modem speed and Dual Band N450 (2.4GHz & 5GHz) WiFi speed. 8x4 channel bonding, Denial of Service (DoS) attack prevention
  • DOCSIS 3.0 unleashes 8x faster download speeds than DOCSIS 2.0
  • Ideal for streaming HD videos, faster downloads, and high speed online gaming

ARRIS SURFboard SB6190 DOCSIS 3.0 Cable Modem, Approved for Cox, Spectrum, Xfinity & others (White)

$79.96
$40.00  in stock
11 new from $69.95
22 used from $40.00
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as of June 23, 2020 5:46 am

Features

  • Compatible with major U.S. Cable Internet Providers including Cox, Spectrum, Xfinity & others. Not compatible with ATT, Verizon, CenturyLink or other DSL or Fiber internet providers. Compatible with major U.S. Cable Internet Providers including Cox, Spectrum, Xfinity & others. Not compatible with ATT, Verizon, CenturyLink or other DSL or Fiber internet providers.
  • DOCSIS 3.0 Cable Modem best for cable internet speed plans up to 600 Mbps
  • 32 downstream x 8 upstream DOCSIS 3.0 bonded channels
  • 1 Gigabit Ethernet port for connecting to a Wi-Fi router or other device.
  • Cable internet service required. Does not inlcude Wi-Fi and does not support cable digital voice service.

Arris SURFboard (16x4) Docsis 3.0 Cable Modem Plus AC1900 Dual Band Wi-Fi Router, Certified for Xfinity, Spectrum, Cox & More (SBG6950AC2),Black

$159.99
$87.30  in stock
4 new from $134.00
19 used from $87.30
Free shipping
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as of June 23, 2020 5:46 am

Features

  • 3 products in 1: DOCSIS 3.0 Cable Modem, AC1900 dual-band Wi-Fi Router, 4 Port Gigabit Ethernet Router (cable digital voice service not supported)
  • Compatible with major U.S. Cable Internet Providers including Cox, Spectrum, Xfinity & others. Cable internet service required. Not compatible with ATT, Verizon, CenturyLink or other DSL or Fiber internet providers
  • 16 downstream & 4 upstream DOCSIS 3.0 bonded channels. Best for cable internet service plans up to 300 Mbps. Cable internet service required
  • Wi-Fi 5 AC1900 dual-band concurrent Wi-Fi Router with 4 Gigabit Ethernet ports
  • Setup and manage your network with the SURFboard Manager app

ARRIS SURFboard (16x4) DOCSIS 3.0 Cable Modem Plus AC1900 Dual Band Wi-Fi Router, 686 Mbps Max Speed, Certified for Comcast Xfinity, Spectrum, Cox & more (SBG6950AC2) (Renewed)

$89.99  in stock
3 new from $89.99
Free shipping
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as of June 23, 2020 5:46 am

Features

  • 3 products in 1: 16x4 Cable Modem, AC1900 Dual band Wi-Fi Router, 4 Port Gigabit Router. Operating System Compatibility-Linux, Mac, Unix, Windows
  • APPROVED with major U.S. Cable Providers Xfinity and Cox. Compatible with Spectrum (Time Warner, Charter and Brighthouse). REQUIRES Cable Internet Service. Not compatible with ATT, Verizon or CenturyLink
  • Cable Modem: 16 DOWNLOAD & 4 UPLOAD channels to maximize your Cable ISP service offerings. APPROVED for plans up to 300 Mbps. Supports IPv4 and IPv6 ? the latest Internet standard.
  • Router: AC1900 2.4/5.0 GHz Dual-band Concurrent Wi-Fi Router with 4 Gigabit Ethernet ports. Wi-Fi beamforming ? max coverage and performance.
  • Security: McAfee Secure Whole Home Internet with App to monitor and configure. Support for multicast ip services also is backward compatible with docsis 2.0 contact your cable service