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Docsis 3.1 Modem Comparison - May 2026
Overview: DOCSIS 3.1 modems are the latest and greatest technology available for cable internet connections. They offer speeds up to 10 Gbps and have been shown to be more reliable than previous generations of DOCSIS modems. In this article, we'll compare some of the top DOCSIS 3.1 modems on the market and help you choose the right one for your needs.
NETGEAR 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
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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
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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
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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
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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
Here are the top 3 recommended products with more information to help you find the right product for you
9.9
1
NETGEAR
NETGEAR 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
8.9Easy installation
8.4WiFi signal
7.6Tech Support
Why we love it
Compatible with major cable providers.
Saves on rental fees.
Supports high-speed internet.
Main highlights
Replaces your cable modem. Save up to $168/yr in equipment rental fees
NETGEAR routers are secure out of the box and built to stay that way with automatic firmware updates and industry-leading safety features to help protect you and your family
NETGEAR Armor software provides an automatic shield of security for your WiFi and connected devices for real-time protection against hackers and added privacy with VPN. 90-day subscription included
Easily set up and manage your WiFi with the Nighthawk app
Coverage up to 2, 500 sq. ft. , 25 concurrent devices with dual-band WiFi 6 (AX2700) speed (up to 2.7Gbps)
Compatible with major cable internet providers including Xfinity, Spectrum, Cox and more. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service. Best for cable provider plans up to 2Gbps
4 X 1 Gig Ethernet ports (supports port aggregation) and 1 USB 3.0 port for computers, game consoles, streaming players, storage drive and other wired devices
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9.8
2
NETGEAR
23% 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
8.9Easy installation
8.4WiFi signal
7.6Tech Support
Why we love it
Easy setup with Nighthawk app.
Replaces modem and router, saving money.
Strong signal with WiFi 6 support.
Main highlights
Replaces your cable modem and WiFi router. Save up to dollar 168/yr in equipment rental fees
NETGEAR devices come with security measures built in as well as enhanced safety features and updates designed to help protect you and your family
NETGEAR Armor provides a powerful suite of tools to help keep you safe online, including enhanced protection against hackers, malware and identity theft, at home or on the go. Includes 30-day trial
Easily set up and manage your WiFi with the Nighthawk app
DOCSIS 3.1 and 32x8 channel bonding
Coverage up to 2,000 sq. ft. and 25 concurrent devices with dual-band WiFi 6 (AX2700) speed
Compatible with major cable internet providers including Xfinity, Spectrum, Cox and more. NOT compatible with Verizon, AT and T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.
4 X 1 Gig Ethernet ports (supports port aggregation) and 1 USB 3.0 port for computers, game consoles, streaming players, storage drive, and other wired devices
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9.5
3
ARRIS
11% 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
9.1Easy installation
8.4WiFi signal
7.6Tech Support
Why we love it
Fast internet speeds up to 1 Gbps.
Compatible with major U.S. providers.
Easy setup with app guidance.
Main highlights
Save on rental fees: Own your modem and avoid monthly equipment charges—check with your cable provider for plan compatibility.
Provider compatibility: All SURFboard modems are CableLabs certified to work across major US Internet Service Providers. Tested and qualified for use with Cox, Xfinity, and Spectrum. Check with your provider to confirm device model support.
Not compatible with fiber, DSL, or satellite services.
Multi‑Gig speed for today & tomorrow: DOCSIS 3.1 performance supports cable internet plans up to 2 Gbps, delivering ultra‑fast streaming, gaming, and downloads.
Modem only: This cable modem requires a separate Wi-Fi router or mesh system for home Wi-Fi network.
Fast Ethernet: Provides two 1 Gigabit Ethernet ports to support connecting to Wi-Fi routers.
Easy setup: Connect cable, power on, and activate with your cable provider. Then connect a Wi‑Fi router to the Ethernet port for home Wi-Fi coverage.
Compact, modern design: Space‑saving footprint with discrete LED indicators for power, upstream/downstream, and online status.
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Our ranking system
At bestchoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria. While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.
Features
Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
Consumer Reviews
We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
Popularity
Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
Advertising Disclosure
9.1 
9.9
1NETGEAR
Compatible with major cable providers.
