5 Best 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

Products analyzed
39
Sources scanned
20
Black Friday is here!
Epic deals - up to 70% off.
 Epic deals you can't miss!

Take me there →

Winner
#1 in Modems
9.7
NETGEAR Cable Modem CM500 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to 400Mbps | DOCSIS 3.0
22% Black Friday Discount
22% Black Friday Discount
9.7
View deal
#2 in Modems
9.2
MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More
#3 in Modems
9.0
ARRIS SURFboard SB8200 DOCSIS 3.1 Gigabit Cable Modem | Approved for Cox, Xfinity, Spectrum & others | White , Max Internet Speed Plan 1000 Mbps
#4 in Modems
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
#5 in Modems
8.5
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
MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and MoreMotorola
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 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
PCMAG
"How to Get the Best Cable Modem: Buy or Rent From Your ISP?"
Product image
Reviews.org
"5 Top Internet Provider-Compatible Modems 2021 | Reviews.org"
Product image
Tech News Today
"10 Best Modem For Gaming In 2021 For Optimum Speed And Low Ping"
Product image
HighSpeedInternet.com
"Best Modems for Gigabit Internet 2021 | HighSpeedInternet.com"
Product image
Allconnect
"The 5 best cable modems of 2021"
Product image
Networks Hardware
"9 Best Cable Modem In 2021 [Xfinity, Spectrum, Cox & More]"
Product image
PC Guide
"Best Cable Modem In 2021 (DOCSIS 3.0 vs 3.1, Comcast, Xfinity)"
Product image
Tom's Guide
"Best cable modems in 2021 | Tom's Guide"
Product image
Rolling Stone
"Fastest Cable Modem 2021: Buying vs Renting Modems for Home Internet"
Product image
The Strategist
"9 Best Cable Modems 2021"
Product image
Lifewire
"The 7 Best Cable Modems of 2021"
Product image
CBR
"Best Modems for Comcast (Updated 2021)"

Other products we considered

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