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Cable Modem Docsis 3.1 Comparison - May 2026
| 1 Best Choice  9.8Exceptional | 2  9.7Exceptional | 3  9.4Excellent | 4 Best Value  9.3Excellent | 5  9.0Excellent | 6  8.7Very Good | 7  8.6Very Good |
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ModelNETGEAR Nighthawk Cable Modem CM1200 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Plans Up to 2 Gigabits | 4 x 1G Ethernet Ports | DOCSIS 3.1, Black | Model NETGEAR Nighthawk Modem Router Combo (CAX30) DOCSIS 3.1 Cable Modem and WiFi 6 Router - AX2700 2.7 Gbps - Compatible with Xfinity, Spectrum, Cox, and More - Gigabit Wireless Internet | Model ARRIS SURFboard SB8200 DOCSIS 3.1 Multi‑Gig Cable Modem | 2 -1Gbps Ethernet Ports | Works with Xfinity, Cox, Spectrum | For Cable Internet Plans up to 2Gbps | Modem Only, Router Required | Model NETGEAR Cable Modem DOCSIS 3.1 (CM1000) Gigabit Modem, Compatible with All Major ISP Providers Including Xfinity, Spectrum, Cox, for Cable Plans Up to 1 Gbps,Black | Model Hitron CODA56 DOCSIS 3.1 Cable Modem ONLY (NOT Fiber) | 2.5 Gbps | NO WiFi/Voice/Router | Single Ethernet Port | Xfinity/Spectrum/Cox Compatible | Requires Separate WiFi Router | Model Motorola B12 - Advanced Compact Cable Modem | Pairs with Any WiFi Router | Supports Comcast Xfinity, Cox, Spectrum | 2500 Mbps Max | DOCSIS 3.1 | 2.5 Gbps Port | Nex Gen MB8611 | Model NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000-1AZNAS) – Approved for Today’s Fastest Speeds - Works With all Cable Providers, Incl. Xfinity, Spectrum, Cox - Cable Plans up to 2.5Gbps |
BrandNETGEAR | Brand NETGEAR | Brand ARRIS | Brand NETGEAR | Brand Hitron | Brand Motorola | Brand NETGEAR |
Reviews | Reviews | Reviews  | Reviews | Reviews | Reviews  | Reviews - |
Features | ||||||
Easy installation 8.9 | Easy installation 8.9 | Easy installation  9.1 | Easy installation 9.3 | Easy installation 8.9 | Easy installation 8.6 | Easy installation 8.6 |
Tech support 7.6 | Tech support 7.6 | Tech support 7.6 | Tech support 7.6 | Tech support 7.0 | Tech support 7.0 | Tech support 7.0 |
WiFi signal 8.4 | WiFi signal 8.4 | WiFi signal 8.4 | WiFi signal 8.4 | WiFi signal 7.7 | WiFi signal 7.6 | WiFi signal 7.4 |
Tech Specs | ||||||
item weight 1.95 pounds | item weight 3.9 pounds | item weight 1.34 pounds | item weight 13.4 ounces | item weight 1.02 pounds | item weight 1.9 pounds | item weight - |
product dimensions 6.1 x 3.4 x 10.3 inches | product dimensions - | product dimensions 1.75 x 5.13 x 5.25 inches | product dimensions 5.4 x 5.9 x 8.8 inches | product dimensions 6.73 x 6.73 x 2.03 inches | product dimensions - | product dimensions - |
Review | Review - | Review - | Review | Review - | Review - | Review - |
Available On   | Available On  | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1NETGEARNETGEAR Nighthawk Cable Modem CM1200 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Plans Up to 2 Gigabits | 4 x 1G Ethernet Ports | DOCSIS 3.1, Black
8.9 Easy installation8.4 WiFi signal7.6 Tech SupportWhy we love it
Compatible with major cable providers.
Saves on rental fees.
Supports high-speed internet.
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9.7
2NETGEAR23% Off
NETGEAR Nighthawk Modem Router Combo (CAX30) DOCSIS 3.1 Cable Modem and WiFi 6 Router - AX2700 2.7 Gbps - Compatible with Xfinity, Spectrum, Cox, and More - Gigabit Wireless Internet
8.9 Easy installation8.4 WiFi signal7.6 Tech SupportWhy we love it
Easy setup with Nighthawk app.
Replaces modem and router, saving money.
Strong signal with WiFi 6 support.
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9.4
3ARRIS11% Off
ARRIS SURFboard SB8200 DOCSIS 3.1 Multi‑Gig Cable Modem | 2 -1Gbps Ethernet Ports | Works with Xfinity, Cox, Spectrum | For Cable Internet Plans up to 2Gbps | Modem Only, Router Required
9.1 Easy installation8.4 WiFi signal7.6 Tech SupportWhy we love it
Fast internet speeds up to 1 Gbps.
Compatible with major U.S. providers.
Easy setup with app guidance.
Cable Modem Docsis 3.1 Buyer's Guide
Written by Jim WilliamsIntroduction to Cable Modem DOCSIS 3.1
Cable Modem DOCSIS 3.1 is a type of data networking device. It is used to connect computers or other network devices to the internet. It is an upgrade from the DOCSIS 2.0 standard, which is the predecessor of the DOCSIS 3.1. It provides faster speeds, greater bandwidth, and improved reliability compared to the previous standard. This makes it perfect for modern households with multiple devices connected to the internet.
Types of Cable Modem DOCSIS 3.1
Cable Modem DOCSIS 3.1 comes in two different types. The first type is the stand-alone cable modem, which can be used to connect one device to the internet. The second type is the gateway cable modem, which is more suitable for households with multiple devices. This type of modem has a built-in router and can be used to connect multiple devices to the internet at once.
Features of Cable Modem DOCSIS 3.1
Cable Modem DOCSIS 3.1 has a number of features that make it a great choice for modern households. It provides faster download and upload speeds than DOCSIS 2.0, allowing for faster streaming and downloading of large files. It also offers improved reliability, allowing for a more consistent connection. Additionally, it supports advanced technologies such as IPv6 and Quality of Service (QoS), which allow for more efficient use of bandwidth and better performance for priority applications such as gaming or video streaming.
Buying Considerations for Cable Modem DOCSIS 3.1
When purchasing a Cable Modem DOCSIS 3.1, it is important to consider the type of modem that best fits your needs. Stand-alone cable modems are best for single device households, while gateway modems are better suited for households with multiple devices. Additionally, it is important to consider the maximum speeds supported by the modem, as well as the features offered. Some modems may offer additional features such as parental control or a built-in firewall, which can provide additional security for your home network.
Installation of Cable Modem DOCSIS 3.1
Installing a Cable Modem DOCSIS 3.1 is a relatively simple process. The first step is to connect the modem to the wall outlet. Then, the modem needs to be connected to the router or computer via an Ethernet cable. Finally, the modem needs to be configured with the correct settings, which can be done either manually or through the provided software. Once the modem is configured, it is ready to be used.
Maintenance of Cable Modem DOCSIS 3.1
Cable Modem DOCSIS 3.1 requires minimal maintenance. It should be checked periodically for any loose connections or cables. It is also important to keep the modem's firmware up to date. The modem should also be checked for any performance issues, such as slow speeds or frequent disconnections. If any issues are encountered, the modem should be reset or contacted the service provider for assistance.
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