Spectrum Approved DOCSIS 3.1 and 3.0 Cable Modems

Below are all the modems that Spectrum has approved for their customers to purchase and use on their network, as of January 2023. Spectrum lists them on their website here:  Spectrum Approved Cable Modem List. Prices are updated every hour. There are over 70 different modems on that list, and we’ve gone through all of them to find the ones that can be bought at Amazon, Best Buy, or Walmart.

Spectrum doesn’t charge you for cable modems unless you want one with a built-in Wi-Fi router. Then they charge $5 a month to rent a modem with Wi-Fi. That’s $60 a year or $300 over 5 years. You can buy a new one that will pay for itself in about a year.

It’s easy to install. Just hookup the modem, open a web browser on an attached computer, and follow the on-screen instructions. Read more here at Spectrum: Activate Spectrum Modem Instructions

Spectrum Voice Customers: The modems below do not have telephone capabilities. So you’ll need to use the Spectrum-supplied modem for your phone service.

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

Select your Spectrum 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 increase, we and Spectrum suggest selecting Internet Gig or DOCSIS 3.1 from the DOCSIS menu below.

DOCSIS

Sorted by price: low to high

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ARRIS G34 Front View
ARRIS G34 Back View

ARRIS G34 SURFboard DOCSIS 3.1 Gigabit Modem & Wi-Fi 6 Router

Best deal at: Amazon.com
$198.84
  • DOCSIS 3.1
  • AX3000 Wi-Fi 6 router built in
  • 32 Downstream Channels + 2 OFDM
- 18%
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Netgear CAX30S Front View
Netgear CAX30S Back View

NETGEAR CAX30S Nighthawk DOCSIS 3.1 Cable Modem + WiFi 6 Router Combo, 2.7Gbps

Best deal at: Amazon.com
$310.29
  • DOCSIS 3.1
  • AX2700 Wi-Fi 6 router built in
  • 32 Downstream Channels + 2 OFDM
  • Four 1 Gigabit Ethernet Ports – 2 ports can be combined to double your wired speed
  • One USB 3.0 Port
- 20%
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ASUS CMAX6000 Front View
ASUS CMAX6000 Back View

ASUS CM-AX6000 DOCSIS 3.1 Gigabit Modem & Wi-Fi 6 Router

Best deal at: Amazon.com
$319.00
  • DOCSIS 3.1
  • AX6000 Wi-Fi 6 router built in
  • 32 Downstream Channels + 2 OFDM
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ARRIS G35 Front View
ARRIS G36 Back View

ARRIS G36 SURFboard DOCSIS 3.1 Gigabit Modem Plus Wi-Fi 6 Router

Best deal at: Amazon.com
$329.00
  • DOCSIS 3.1
  • AX3000 Wi-Fi 6 router built in
  • 32 Downstream Channels + 2 OFDM
  • One 2.5 Gigabit and Four 1 Gigabit Ethernet Ports
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Motorola MG8725 Front View
Motorola MG8725 Back View

Motorola MG8725 DOCSIS 3.1 Cable Modem + WiFi 6 Router

Best deal at: Best Buy U.S
$399.99
  • DOCSIS 3.1
  • AX6000 Wi-Fi 6 router built in
  • 32 Downstream Channels + 2 OFDM
  • One 2.5 Gigabit and Three 1 Gigabit Ethernet Ports
- 11%
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Netgear CAX80 Front View
Netgear CAX80 Back View

NETGEAR CAX80 Nighthawk DOCSIS 3.1 Cable Modem + WiFi 6 Router

Best deal at: Amazon.com
$446.99
  • DOCSIS 3.1
  • AX6000 Wi-Fi 6 router built in
  • 32 Downstream Channels + 2 OFDM
  • One 2.5 Gigabit and Four 1 Gigabit Ethernet Ports
  • One USB 3.0 Port
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Netgear CBR750 Front View
Netgear CBR750 Back View

Netgear CBR750 Orbi Tri-Band WiFi 6 Mesh Router with Built-in Cable Modem

Best deal at: Amazon.com
$479.99
  • DOCSIS 3.1
  • AX4200 Wi-Fi 6 Mesh router built in
  • 32 Downstream Channels + 2 OFDM
  • Four 1 Gigabit Ethernet Ports

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