5 Best Internet Modem 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

Products analyzed
47
Sources scanned
20
Winner
22% Discount
#1 in Internet Modem
9.4
NETGEAR Cable Modem CM500 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to 400Mbps | DOCSIS 3.0
9.4
View deal
#2 in Internet Modem
9.0
ARRIS SURFboard SB8200 DOCSIS 3.1 Gigabit Cable Modem | Approved for Cox, Xfinity, Spectrum & others | White , Max Internet Speed Plan 1000 Mbps
#3 in Internet Modem
8.8
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
#4 in Internet Modem
8.8
MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More
#5 in Internet Modem
8.3
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 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 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and MoreMotorola
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
Product image
Allconnect
"The 5 best cable modems of 2021"
Product image
Tom's Guide
"Best cable modems in 2021 | Tom's Guide"
Product image
ideaing
"The Very Best Gigabit Cable Modems for Blazing Internet Speeds"
Product image
Laptop251
"7 Best DOCSIS 3.1 Modems In 2021 [For Gigabit Internet]"
Product image
Gizmos Zone
"14 Best DOCSIS 3.1 Modems for Gigabit Internet in 2021 [Ultimate Guide]"
Product image
PCMAG
"How to Get the Best Cable Modem: Buy or Rent From Your ISP?"
Product image
bestgamingpro.com
"Top 10 Best Cable Internet Modems 2021 – Bestgamingpro"
Product image
TopTenReviews
"Best cable modems 2021"
Product image
Heavy.com
"7 Best Docsis 3.1 Modems (2021) | Heavy.com"
Product image
PC Guide
"Best Cable Modem In 2021 (DOCSIS 3.0 vs 3.1, Comcast, Xfinity)"
Product image
HighSpeedInternet.com
"Best Modems for Gigabit Internet 2021 | HighSpeedInternet.com"
Product image
Reviews.org
"5 Top Internet Provider-Compatible Modems 2021 | Reviews.org"
Product image
Lifewire
"The 7 Best Cable Modems of 2021"
Most Popular Categories Right Now
Vacuums & Floor Care
Robotic VacuumsUpright VacuumsSteam MopsHandheld Vacuums
Best.io is customer-supported. When you buy products through our site, we may earn an affiliate commission on featured products.
Privacy PolicyTerms of Service
Price disclaimer