5 Best Cable Modems of 2021

Best.io ranks the best products in the US based on an analysis of expert ratings, user reviews and price history. Ranking only includes products with enough verified information available. See how was this ranking derived

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Winner
#1 in Cable Modems
9.9
NETGEAR Cable Modem CM500 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to 400Mbps | DOCSIS 3.0
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22% Black Friday Discount
9.9
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#2 in Cable Modems
9.2
ARRIS SURFboard SB8200 DOCSIS 3.1 Gigabit Cable Modem | Approved for Cox, Xfinity, Spectrum & others | White , Max Internet Speed Plan 1000 Mbps
#3 in Cable Modems
9.1
MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More
#4 in Cable Modems
9.0
Motorola MB8600 DOCSIS 3.1 Cable Modem - Approved for Comcast Xfinity, Cox, and Charter Spectrum, Supports Cable Plans up to 1000 Mbps | 1 Gbps Ethernet Port
#5 in Cable Modems
8.7
Motorola MB7621 Cable Modem | Pairs with Any WiFi Router | Approved by Comcast Xfinity, Cox and Spectrum | for Cable Plans Up to 900 Mbps | DOCSIS 3.0
The list of lists
Find out how these products were rated by publishers and industry leading critics.
NETGEAR Cable Modem CM500 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to 400Mbps | DOCSIS 3.0NETGEAR
ARRIS SURFboard SB8200 DOCSIS 3.1 Gigabit Cable Modem | Approved for Cox, Xfinity, Spectrum & others | White , Max Internet Speed Plan 1000 MbpsARRIS
MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and MoreMotorola
Motorola MB8600 DOCSIS 3.1 Cable Modem - Approved for Comcast Xfinity, Cox, and Charter Spectrum, Supports Cable Plans up to 1000 Mbps | 1 Gbps Ethernet PortMotorola
Motorola MB7621 Cable Modem | Pairs with Any WiFi Router | Approved by Comcast Xfinity, Cox and Spectrum | for Cable Plans Up to 900 Mbps | DOCSIS 3.0Motorola
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The Strategist
"9 Best Cable Modems 2021"
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Reviewed
"Best Cable Modems of 2021"
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Allconnect
"The 5 best cable modems of 2021"
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HighSpeedInternet.com
"Best Modems for Gigabit Internet 2021 | HighSpeedInternet.com"
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PCMAG
"How to Get the Best Cable Modem: Buy or Rent From Your ISP?"
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TopTenReviews
"Best cable modems 2021"
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Networks Hardware
"9 Best Cable Modem In 2021 [Xfinity, Spectrum, Cox & More]"
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Reviews.org
"5 Top Internet Provider-Compatible Modems 2021 | Reviews.org"
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Get PanaCast
"Top 10 Best Cable Modems on the Market"
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Tom's Guide
"Best cable modems in 2021 | Tom's Guide"
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Rolling Stone
"Fastest Cable Modem 2021: Buying vs Renting Modems for Home Internet"
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PC Guide
"Best Cable Modem In 2021 (DOCSIS 3.0 vs 3.1, Comcast, Xfinity)"
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CBR
"Best Cable Modems (Updated 2021)"
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Lifewire
"The 7 Best Cable Modems of 2021"

Other products we considered

NETGEAR Cable Modem CM600 - Compatible with Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to 400 Mbps | DOCSIS 3.0 | 24x8
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