Cox Certified DOCSIS 3.1 and 3.0 Cable Modems

Below are all the modems that Cox has approved for their customers to purchase and use on their network, as of April 2023. Cox lists them on their website here: Cox Compatible Modem List. Prices below are updated every hour. We’ve gone through all of them to find the ones that can be bought at Amazon, Best Buy, or Walmart.

If you’re paying $12 a month to rent a modem from Cox, that’s $144 a year, or $720 over 5 years. You can buy a new one that will pay for itself in less than six months. It’s easy to install. Just hook up the modem, open a web browser on an attached computer, and follow the on-screen instructions. Read more at Cox: Activate Cox Modem.

Cox business customers: Buy either the ARRIS SB8200 (for all speed plans) or the ARRIS SB6183 (for the 300 Mbps speed plan) which are listed here on the Cox Business Compatible Modem List.

Cox Telephone/Voice customers: Call Cox and have them provision your current modem for telephone only, no internet data. When you do that, Cox won’t charge you for renting it. Then buy one of the modems below and hook it up for the internet only. You’ll now have 2 modems (1 for phone and 1 for internet) and Cox won’t charge you for either.

If you need further help with your decision or understanding some of the terms, see our Cable Modem Buying Guide.

Select your Cox speed plan below. This will allow you to get the maximum speed out of your plan. If you want to future-proof your purchase, as speed plans inevitably get faster, we suggest selecting Gigablast or DOCSIS 3.1 from the DOCSIS menu below.

Showing 1–10 of 31 results

- 76%
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ARRIS SB6190 Front View
ARRIS SB6190 Back View

ARRIS SB6190 SURFboard DOCSIS 3.0 Cable Modem

Best deal at: Amazon.com
$24.10
  • DOCSIS 3.0
  • No built in Wi-Fi router
  • 32 Downstream Channels
  • Puma 6 Chipset
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ARRIS SB6183 Front
ARRIS SB6183 Back

ARRIS SURFboard SB6183 DOCSIS 3.0 Cable Modem (renewed)

Best deal at: Amazon.com
$39.99
  • DOCSIS 3.0
  • No built in Wi-Fi router
  • 16 Downstream Channels
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Netgear CM500 Front
Netgear CM500 Back

Netgear CM500 DOCSIS 3.0 Cable Modem

Best deal at: Amazon.com
$57.99
  • DOCSIS 3.0
  • No built in Wi-Fi router
  • 16 Downstream Channels
- 45%
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Motorola MG7540 Front View
Motorola MG7540 Back View

Motorola MG7540 16×4 Cable Modem plus AC1600 Dual Band Wi-Fi with DFS

Best deal at: Best Buy U.S
$71.99
  • DOCSIS 3.0
  • AC1600 Wi-Fi 5 router built in
  • 16 Downstream Channels
- 45%
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Motorola MB8600 Front View
Motorola MB8600 Back View

Motorola MB8600 Ultra Fast DOCSIS 3.1 Cable Modem

Best deal at: Best Buy U.S
$76.99
  • DOCSIS 3.1
  • No built in Wi-Fi router
  • 32 Downstream Channels + 2 OFDM
  • One 2.5 Gigabit and Three 1 Gigabit Ethernet Ports
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Motorola MB7420 Front View
Motorola MB7420 Back View

Motorola MB7420 16×4 Cable Modem

Best deal at: Amazon.com
$77.99
  • DOCSIS 3.0
  • No built in Wi-Fi router
  • 16 Downstream Channels
- 26%
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ARRIS SBG10 Front View
ARRIS SBG10 Back View

ARRIS SBG10 SURFboard DOCSIS 3.0 Cable Modem & Wi-Fi Router

Best deal at: Walmart.com
$87.71
  • DOCSIS 3.0
  • AC1600 Wi-Fi 5 router built in
  • 16 Downstream Channels
  • Puma 6 Chipset
- 7%
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Netgear C6250 Front View
Netgear C6250 Back View

NETGEAR C6250 DOCSIS 3.0 Cable Modem + 1.6Gbps WiFi Router

Best deal at: Amazon.com
$92.99
  • DOCSIS 3.0
  • AC1600 Wi-Fi 5 router built in
  • 16 Downstream Channels
  • One USB 2.0 Port
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Hitron CODA Front View
Hitron CODA Back View

Hitron CODA DOCSIS 3.1 Cable Modem

Best deal at: Amazon.com
$99.99
  • DOCSIS 3.1
  • No built in Wi-Fi router
  • 32 Downstream Channels + 2 OFDM
  • Two 1 Gigabit Ethernet Ports
- 45%
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Motorola MB8611 Front View
Motorola MB8611 Back View

Motorola MB8611 Ultra-Fast DOCSIS 3.1 Cable Modem with 2.5Gb Ethernet

Best deal at: Best Buy U.S
$104.99
  • DOCSIS 3.1
  • No built in Wi-Fi router
  • 32 Downstream Channels + 2 OFDM
  • One 2.5 Gigabit Ethernet Port

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