Hitron CODA56
4.4Editor score
Supports up to 2.5 Gbps
Compatible with Xfinity Spectrum Cox
DOCSIS 3.1 Technology
In this guide
Finding the right cable modem is essential for maximizing your internet connection speed and reliability. Whether you stream 4K video or game online a modern DOCSIS 3.1 modem ensures you get the most out of your plan.
We have evaluated ten top-rated cable modems based on speed capabilities provider compatibility and ease of setup. Each product offers unique features like multi-gig ports or compact designs to fit different home network needs.
Each pick includes detailed specs pros and cons to help you decide quickly. Prices and availability change frequently so verify current details with your ISP before purchasing to ensure compatibility with your specific service tier.
Top 3 Picks for Best Cable Modem
ARRIS SURFboard SB8200
4.4Editor score
Up to 2 Gbps plans
Two 1 Gigabit Ethernet ports
Compact modern design
NETGEAR Nighthawk CM3000
4.3Editor score
Mid/High-Split technology
2.5Gbps Ethernet port
Link aggregation support
Top 10 Best Cable Modem in 2026 Compared
Below is a side-by-side comparison of all ten cable modems featured in this guide to help you quickly identify which model matches your internet plan and home network requirements.
ProductsSpecificationsEditor scorePrice
Best Budget
Hitron CODA56
DOCSIS 3.1
2.5 Gbps Max
Xfinity Spectrum Cox
Modem Only
4.4Editor score
Editor's Choice
ARRIS SURFboard SB8200
DOCSIS 3.1
2 Gbps Max
CableLabs Certified
Two 1Gbps Ports
4.4Editor score
Best Premium
N/A
No Data
No Data
No Data
No Data
NETGEAR Nighthawk CM3000
Mid/High-Split
2.5Gbps Down
Link Aggregation
Modem Only
4.3Editor score
Arris Surfboard S34
DOCSIS 3.1
2.5Gbps + 1Gbps
Next Gen Upstream
Modem Only
4.3Editor score
NETGEAR Nighthawk CM3000
Mid/High-Split
2.5Gbps Max
Nighthawk App
Modem Only
4.2Editor score
Hitron CODA56
DOCSIS 3.1
2.5 Gbps
Data Only
Single Ethernet Port
4.2Editor score
ARRIS Surfboard S33
DOCSIS 3.1
2.5 Gbps
Compact Design
Modem Only
4.2Editor score
NETGEAR Nighthawk CM2500
Mid/High-Split
2Gbps Down
1Gbps Upload
Link Aggregation
4.3Editor score
ARRIS Surfboard G34
DOCSIS 3.1
Wi-Fi 6 Router
AX3000 Wireless
4x 1Gbps Ports
3.7Editor score
1. Hitron CODA56 – Best Budget Cable Modem
Hitron CODA56
DOCSIS 3.1 Standard
2.5 Gbps Ethernet Port
Xfinity Spectrum Cox Only
No WiFi Router Included
The Hitron CODA56 stands out as a budget-friendly option for users seeking high-speed cable internet without breaking the bank. With a rating of 4.4 stars it delivers reliable DOCSIS 3.1 performance suitable for most modern households.
Pros
- Affordable price point
- Supports multi-gig speeds
- Low latency performance
- Backward compatible
- Strong technical support
Cons
- Requires separate router
- No voice support
- Limited to cable only
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Its standout feature is the 2.5 Gbps Ethernet port which allows you to fully utilize internet plans up to 2.5 Gbps. This makes it ideal for users on Xfinity Spectrum or Cox plans who want to avoid monthly rental fees.
The trade-off is that it is a modem only unit requiring a separate WiFi router for wireless connectivity. Additionally it does not support voice services so you will need a separate VoIP solution if phone service is required.
Who should buy this: Ideal for cost-conscious users who already own a WiFi router and need a reliable DOCSIS 3.1 modem for speeds up to 2.5 Gbps.
Multi-Gigabit Performance
This modem supports internet plans up to 2.5 Gbps with a dedicated 2.5 Gbps Ethernet port ensuring you get the speed you pay for.
Compatibility Notes
Verify you have cable internet service before purchasing as it is not compatible with fiber DSL or satellite providers like Verizon FiOS or AT&T Fiber.
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2. ARRIS SURFboard SB8200 – Editor's Choice Cable Modem
ARRIS SURFboard SB8200
DOCSIS 3.1
Up to 2 Gbps Plans
Two 1 Gigabit Ports
CableLabs Certified
The ARRIS SURFboard SB8200 is a top-tier choice for users needing reliable multi-gigabit speeds without compromising on design. Rated 4.4 stars it is widely trusted for its performance on major ISP networks.
Pros
- Compact modern design
- Fast Ethernet ports
- Easy setup process
- CableLabs certified
- Multi-gig speed
Cons
- No built-in WiFi
- Higher price than budget
- Only two Ethernet ports
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It supports cable internet plans up to 2 Gbps and features two 1 Gigabit Ethernet ports for connecting routers or wired devices. Its compact footprint makes it easy to place in small spaces while maintaining strong performance.
The main limitation is the lack of WiFi capabilities meaning you must pair it with a separate router. Also while it offers fast speeds it is priced higher than entry-level options which may not suit tight budgets.
Who should buy this: Perfect for users who need multi-gigabit speeds and want a proven reliable modem from a trusted brand with a compact design.
Future Proof Speeds
With DOCSIS 3.1 performance this modem supports plans up to 2 Gbps ensuring you are ready for faster upgrades without replacing hardware soon.
Provider Compatibility
Tested and qualified for use with Cox Xfinity and Spectrum ensuring broad compatibility across major US Internet Service Providers.
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3. N/A – N/A Cable Modem
N/A
No data available
No data available
No data available
No data available
This product listing does not provide sufficient data to include in our review. Without verified specs or ratings we cannot recommend it confidently.
Pros
- No data available
Cons
- No data available
We may earn a commission when you buy through this link, at no additional cost to you.
It is important to verify product details before purchase to ensure compatibility with your ISP and hardware needs.
Check with your provider for available modem models if this listing is unclear.
We recommend choosing a product with clear specifications and verified customer feedback.
Missing Information
This entry lacks necessary details such as DOCSIS version speed ratings and compatibility lists to provide a useful review.
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4. NETGEAR Nighthawk CM3000 – Best Premium Cable Modem
NETGEAR Nighthawk CM3000
Mid/High-Split Tech
2.5Gbps Down
1Gbps Up
Link Aggregation
The NETGEAR Nighthawk CM3000 is a premium modem designed for users who want the absolute fastest cable speeds available. With a rating of 4.3 stars it excels in delivering ultra-low latency and high throughput.
Pros
- Mid/High-Split technology
- Fastest speeds available
- Link aggregation support
- Low latency gaming
- Easy setup
Cons
- Expensive price point
- Requires specific router
- No voice support
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Its revolutionary mid/high-split technology unlocks download speeds up to 2.5Gbps and upload speeds up to 1Gbps. Link aggregation allows combining two 1Gbps ports for up to 2Gbps wired throughput making it ideal for power users.
The trade-off is the higher price and the requirement for a compatible router to maximize its potential. It does not support voice services so it is strictly for data use which may not fit everyone's needs.
Who should buy this: Best for households with multi-gigabit plans who need maximum throughput and low latency for gaming and streaming.
Unlock Faster Upstream
Mid/High-Split technology delivers up to 1Gbps upload speeds which is far beyond what standard cable modems reach for file uploads and video calls.
Link Aggregation
Combines two 1Gbps ports to support up to 2Gbps wired throughput providing the most connectivity in its class for advanced home networks.
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5. Arris Surfboard S34 – Next Gen Upstream Cable Modem
Arris Surfboard S34
DOCSIS 3.1
2.5Gbps + 1Gbps
Next Gen Upstream
CableLabs Certified
The Arris Surfboard S34 is designed to support next generation upload speed tiers offered by cable providers. Rated 4.3 stars it provides reliable multi-gigabit speeds and future proofing for evolving network needs.
Pros
- Future proof upstream
- Compact modern design
- Multi-gig performance
- Easy setup process
- Provider compatible
Cons
- No built-in WiFi
- Higher than entry level
- Modem only unit
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It supports internet plans up to 2.5 Gbps with a 2.5 Gigabit Ethernet port and an additional 1 Gigabit port. This dual port setup allows for flexible connectivity to high speed routers or backup devices.
The limitation is that it is a modem only unit requiring a separate router for WiFi. While it offers advanced features it comes at a higher price point than basic models which may not be necessary for all users.
Who should buy this: Ideal for users looking for future proof upstream speeds and a reliable modem from a trusted brand for cable internet plans up to 2.5 Gbps.
Future Proof Upstream
Support for the next generation upload speed tiers offered by cable internet providers ensures you stay ready for faster network upgrades.
Multi-Gig Performance
DOCSIS 3.1 performance supports cable internet plans up to 2.5 Gbps delivering ultra-fast streaming gaming and downloads for your connected home.
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6. NETGEAR Nighthawk CM3000 – Mid/High-Split Modem
NETGEAR Nighthawk CM3000
Mid/High-Split Tech
2.5Gbps Max
Nighthawk App
2.5 Gig Ethernet
The NETGEAR Nighthawk CM3000 (CM3000-1AZNAS) is approved for today's fastest cable internet speeds with mid/high-split technology. Rated 4.2 stars it unlocks faster download and upload speeds for gaming and video conferencing.
Pros
- Maximize home internet
- Multi-gig speeds
- Free Nighthawk App
- Reariable performance
- Expert support
Cons
- Expensive price
- Requires specific router
- US Cable only
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It brings the bandwidth your router needs to keep phones laptops smart TVs and smart home devices running smoothly. The 2.5 Gig Ethernet port connects your router for the fastest speeds in your area.
The main downside is the high price and the requirement to confirm mid-split availability with your provider. It is made for US cable internet only and not compatible with bundled voice or fiber services.
Who should buy this: Best for users who want to manage their network with the free Nighthawk app and need future-proof speeds up to 2.5Gbps.
Nighthawk App
Download the Nighthawk app on iOS or Android to get connected and manage your network from anywhere for easier troubleshooting.
Expert Support
Free Expert Help included for the first 90 days ensures you get assistance setting up your network without additional costs.
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7. Hitron CODA56 – Data Only Cable Modem
Hitron CODA56
DOCSIS 3.1
2.5 Gbps
Single Ethernet Port
No Voice Support
The Hitron CODA56 is a modem only unit designed strictly for internet data without telephone voice services. Rated 4.2 stars it is a reliable choice for users needing high-speed cable internet without added features.
Pros
- Data only focus
- Avoid rental fees
- Low latency performance
- Compatible with major ISPs
- Strong technical support
Cons
- No voice support
- Requires separate router
- Single Ethernet port
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It supports internet plans up to 2.5 Gbps with a 2.5 Gbps Ethernet port. The modem handles internet data only so if your plan includes phone service you must purchase a separate voice-capable modem or adapter.
The trade-offs are that it has only one Ethernet port and requires a separate WiFi router for wireless connectivity. However it eliminates monthly modem rental fees and is widely compatible with Xfinity Spectrum and Cox.
Who should buy this: Ideal for users with internet-only plans who want a cost effective DOCSIS 3.1 modem and already have a separate router.
Data Only
This modem does NOT support telephone or voice service of any kind. You must purchase a separate voice-capable modem or VoIP adapter if needed.
Multi-Gig Performance
Supports internet plans up to 2.5 Gbps with a 2.5 Gbps Ethernet port designed for plans 1 Gbps and faster from certified providers.
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8. ARRIS Surfboard S33 – Multi-Gig Cable Modem
ARRIS Surfboard S33
DOCSIS 3.1
Up to 2.5 Gbps
Compact Design
Modem Only
The ARRIS Surfboard S33 supports cable internet plans up to 2.5 Gbps making it a strong choice for multi-gigabit home networks. Rated 4.2 stars it offers reliable performance and easy setup for most users.
Pros
- Multi-gig speed
- Compact design
- Easy setup
- Save rental fees
- Future proof
Cons
- No built-in WiFi
- Requires router
- Limited ports
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It features a compact modern design that saves space while providing DOCSIS 3.1 performance. You simply connect the cable power on and activate with your provider before connecting a router.
The limitation is that it is a modem only unit requiring a separate WiFi router or mesh system for home coverage. It also has a single Ethernet port which may limit wired connectivity without a router.
Who should buy this: Great for users who want a simple compact modem for speeds up to 2.5 Gbps without needing extra ports.
Compact Design
Space-saving footprint with simple LED indicators for power upstream/downstream and online status helps you monitor connection easily.
Rental Savings
Own your modem and avoid monthly equipment charges. Check with your cable provider for plan compatibility to confirm savings.
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9. NETGEAR Nighthawk CM2500 – Faster Upload Modem
NETGEAR Nighthawk CM2500
Mid/High-Split
2Gbps Down
1Gbps Upload
Link Aggregation
The NETGEAR Nighthawk CM2500 delivers up to 2Gbps download and 1Gbps upload speeds with mid/high-split technology. Rated 4.3 stars it powers digital lifestyles with enhanced efficiency and response times.
Pros
- Faster upload speeds
- Enhanced capacity
- Link aggregation
- Multi-family gaming
- Future proof
Cons
- No voice support
- Requires specific router
- Limited port count
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It features 10x faster upload speeds for seamless multi-family gaming video conferencing and uploading large files simultaneously. You can connect the two Gigabit ports to a router with link aggregation for up to 2Gbps.
The trade-off is that it is not compatible with Xfinity Voice plans and requires a WiFi 6E or WiFi 7 router for ultimate performance. It is made for use in the US only.
Who should buy this: Best for users who need faster upload speeds for video calls or file uploads on cable internet plans up to 2Gbps.
Faster Uploads
10x faster upload speeds for seamless multi-family gaming video conferencing and uploading even the largest files simultaneously.
Link Aggregation
Connect the two Gigabit ports to a router with link aggregation for up to 2Gbps total wired throughput on compatible devices.
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10. ARRIS Surfboard G34 – Wi-Fi 6 Gateway
ARRIS Surfboard G34
DOCSIS 3.1
AX3000 Router
4x 1Gbps Ports
CableLabs Certified
The ARRIS Surfboard G34 combines a DOCSIS 3.1 modem with a built-in Wi-Fi 6 router providing an all-in-one gateway solution. Rated 3.7 stars it offers dual-band AX3000 wireless performance for whole home coverage.
Pros
- Built-in Wi-Fi 6
- Four Ethernet ports
- Easy setup
- Compact design
- Save fees
Cons
- Lower rating
- Combo limitations
- Not for everyone
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It supports cable internet plans up to 2.5 Gbps and provides four 1 Gigabit Ethernet ports for multiple wired devices. Setup is easy as you can join the default Wi-Fi or personalize your network name and password.
The trade-off is that combo units may have limitations compared to separate high-end modems and routers. Some users may find the performance lower than standalone units but the convenience of one device can be appealing.
Who should buy this: Ideal for users wanting a simple all-in-one solution without separate router costs and who are comfortable with standard combo unit performance.
Wi-Fi 6 Coverage
Includes dual-band Wi-Fi 6 (AX3000) delivering up to 3 Gbps wireless performance for your whole home network.
Fast Ethernet
Provides 4 – 1 Gigabit Ethernet ports for multiple wired devices including desktops smart TVs and gaming consoles.
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Buying Guide – How to Choose the Best Cable Modem
Choosing the right cable modem involves understanding several technical factors that impact your internet speed and reliability. This guide breaks down the key elements you should consider before buying.
DOCSIS Standard
DOCSIS 3.1 is the current standard for cable modems supporting speeds up to 10 Gbps. Older DOCSIS 3.0 models may limit your ability to use gigabit plans effectively. Always verify the DOCSIS version listed in product specs.
Look for DOCSIS 3.1 to ensure your modem can handle current and future high-speed internet plans without needing immediate upgrades.
Max Speed Support
Check the maximum download and upload speeds the modem supports compared to your ISP plan. A modem rated for 1 Gbps may bottleneck a 2 Gbps plan causing slower performance than expected.
Choose a modem with a max speed rating equal to or higher than your plan to avoid bottlenecks in your home network.
Provider Compatibility
Not all modems work with every internet service provider. Verify that the modem is approved by your specific provider such as Xfinity Spectrum or Cox before purchasing.
Check with your ISP to confirm the specific model numbers they allow to prevent activation issues upon delivery.
Ethernet Ports
Consider the number and type of Ethernet ports available on the modem. If you plan to use link aggregation or connect multiple devices directly choose a modem with multiple ports.
A 2.5 Gigabit port is beneficial if your router supports multi-gig speeds to ensure wired connections match your internet plan.
Modem Only vs Combo
Modem only units require a separate router but offer more flexibility for choosing high-performance wireless components. Combo units include a router but may have lower performance or limited upgrade options.
Select a modem only unit if you already have a router or want top-tier WiFi performance separate from your modem hardware.
Voice Support
If your internet plan includes home phone service ensure the modem supports voice. Most cable modems are data only and will not provide voice service.
Purchase a voice-capable modem or separate VoIP adapter if your plan includes phone service to avoid losing that feature.
Setup Requirements
Many modems require activation through your ISP before use. Check the setup process to understand if you need to call the provider or use an online portal.
Ensure you have access to your account credentials for activation as this step is required to start using your new modem.
Future Proofing
Consider how long the modem will support upcoming speed upgrades. Models with DOCSIS 3.1 and multi-gig ports are more likely to remain relevant as providers increase speeds.
Investing in a future-proof modem saves money in the long run by delaying the need for hardware replacement.
How to Use and Care for Your Cable Modem
Connect the coaxial cable from your wall outlet to the modem and plug the power adapter. Wait for the online LED light to turn solid indicating a successful connection.
Connect your router to the modem using an Ethernet cable. If the router has a WAN port use that for the primary connection to distribute internet to your devices.
Restart the modem every few months to maintain optimal performance by unplugging it for thirty seconds and plugging it back in. This clears the buffer and refreshes the connection with your ISP.
Frequently Asked Questions
Do I need to buy my own cable modem?
Buying your own modem can save you monthly rental fees ranging from ten to twenty dollars. While renting is convenient owning a modem offers better performance and customization options. Check with your provider to confirm your plan allows customer-owned equipment.
What is DOCSIS 3.1?
DOCSIS 3.1 is the latest standard for cable internet modems supporting higher speeds and efficiency than older versions. It allows for multi-gigabit speeds and better management of network traffic. Modems using this standard are recommended for plans above 1 Gbps.
Can I use any router with these modems?
Most cable modems work with any router that has a standard Ethernet port. However to achieve maximum speeds ensure the router supports the same speed tier as the modem. High-speed plans require routers with Gigabit or multi-gig ports.
Will this work with fiber internet?
No these modems are designed specifically for cable internet services. Fiber providers like Verizon FiOS or AT&T Fiber use different equipment and require optical network terminals. Confirm your connection type before purchasing to avoid compatibility issues.
How do I activate my new modem?
Activate your modem by connecting it and using your ISP's online portal or phone service to register the MAC address. Follow the instructions provided by your provider to complete the process. Activation usually takes about ten to fifteen minutes.
What is the difference between modem and router?
The modem connects to your internet service provider while the router distributes that connection to your devices wirelessly or via Ethernet. Modem only units require a separate router for WiFi access. Understanding this helps you choose the right combination for your needs.
Why does my modem have no WiFi signal?
Modem only units do not have built-in wireless radios so they cannot emit WiFi signals. You must connect a separate WiFi router to the modem to create a wireless network. Check your hardware setup to ensure the router is powered on.
Can I use this modem for DSL?
No cable modems do not work with DSL services which use telephone lines instead of coaxial cables. These devices are strictly for cable internet connections. Verify your connection type to ensure compatibility before purchasing any modem.
Final Thoughts on Choosing the Best Cable Modem
Choosing the right cable modem depends on your specific internet plan and home network setup. The Hitron CODA56 offers budget value while the ARRIS SURFboard SB8200 provides reliable multi-gig performance.
Prioritize DOCSIS 3.1 compatibility and max speed support to avoid bottlenecks. Ensure the modem is approved by your ISP to guarantee activation and consistent performance.
Remember to check current prices and availability as these details change frequently. Select a modem that matches your needs today and supports future speed upgrades for lasting value.