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10 Best Cable Modem in 2026

This guide compares the top cable modems for Xfinity, Spectrum, and Cox, covering DOCSIS 3.1 models for high speed multi-gig plans.

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In this guide
  1. 01Top 3 picks
  2. 02Compare all 10
  3. 03In-depth reviews
  4. 04Buying guide
  5. 05Use and care
  6. 06Common questions
  7. 07Final verdict

Choosing the right cable modem is essential for maximizing your internet speed and reliability. A quality modem ensures your home network can handle modern demands like streaming, gaming, and video conferencing without interruption.

We have evaluated the latest models based on performance, compatibility, and value. Our analysis focuses on DOCSIS 3.1 technology, port speeds, and provider support to help you make an informed decision.

Each product entry details key specifications, pros, and cons. Prices fluctuate regularly, so verify current offers before purchasing. Our goal is to simplify your search for the perfect connection hardware.

Top 3 Picks for Best Cable Modem

Best Budget

Hitron CODA56
Hitron CODA56

4.4Editor score

Supports up to 2.5 Gbps
DOCSIS 3.1 certified
Compatible with major providers

Check price

Editor's Choice

ARRIS SURFboard SB8200
ARRIS SURFboard SB8200

4.4Editor score

Up to 2 Gbps plans
Two Gigabit Ethernet ports
Compact modern design

Check price

Best Premium

NETGEAR Nighthawk CM3000
NETGEAR Nighthawk CM3000

4.3Editor score

Mid/high-split technology
2.5Gbps Ethernet port
Link aggregation support

Check price

Top 10 Best Cable Modem in 2026 Compared

The following table provides a side-by-side overview of the leading cable modems available this year. Review the key specifications to find the model that fits your internet plan and home setup.

ProductsSpecificationsEditor scorePrice
1Hitron CODA56

Best Budget

Hitron CODA56
DOCSIS 3.1
2.5 Gbps Max
1 Ethernet Port
No WiFi Included
4.4Editor score

Check price

2ARRIS SURFboard SB8200

Editor's Choice

ARRIS SURFboard SB8200
DOCSIS 3.1
2 Gbps Max
2 Gigabit Ports
No WiFi Included
4.4Editor score

Check price

3NETGEAR Nighthawk CM3000

Best Premium

NETGEAR Nighthawk CM3000
Mid/High-Split
2.5 Gbps Down
Link Aggregation
No WiFi Included
4.3Editor score

Check price

4Arris Surfboard S34

Arris Surfboard S34
DOCSIS 3.1
2.5 Gbps Max
2.5Gbps Port
No WiFi Included
4.3Editor score

Check price

5NETGEAR Nighthawk CM3000

NETGEAR Nighthawk CM3000
DOCSIS 3.1
2 Gbps Plans
Free App Setup
No WiFi Included
4.2Editor score

Check price

6Hitron CODA56

Hitron CODA56
DOCSIS 3.1
2.5 Gbps Max
No Voice Support
No WiFi Included
4.2Editor score

Check price

7ARRIS Surfboard S33

ARRIS Surfboard S33
DOCSIS 3.1
2.5 Gbps Max
Compact Design
No WiFi Included
4.2Editor score

Check price

8NETGEAR Nighthawk CM2500

NETGEAR Nighthawk CM2500
DOCSIS 3.1
2 Gbps Down
1 Gbps Upload
No Voice Plans
4.3Editor score

Check price

9ARRIS Surfboard G34

ARRIS Surfboard G34
DOCSIS 3.1
AX3000 WiFi 6
4 Ethernet Ports
Router Included
3.7Editor score

Check price

1. Hitron CODA56 – Best Budget Cable Modem

Hitron CODA56 Cable Internet Modem ONLY - DOCSIS 3.1 | 2.5 Gbps | NO WiFi - Requires Router | Xfinity/Spectrum/Cox Compatible | NOT for Fiber/DSL4.4Editor scoreCheck price on Amazon
Hitron CODA56
DOCSIS 3.1
2.5 Gbps Down
Single Ethernet Port
Cable Only

The Hitron CODA56 stands out as an excellent budget option for users needing reliable cable internet access. With a strong rating of 4.4 stars, it proves its worth across various households.

Pros

  • Affordable price point
  • Supports high-speed plans
  • Reliable brand history

Cons

  • No WiFi capability
  • Single Ethernet port

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Its support for DOCSIS 3.1 technology ensures you can utilize plans up to 2.5 Gbps effectively. The 2.5 Gbps Ethernet port allows your router to receive maximum speeds from your provider.

While it lacks built-in WiFi, this keeps costs low for those who already own a robust router. It is strictly for cable providers like Xfinity and Spectrum, so verify your connection type.

This modem is ideal for cost-conscious buyers who want performance without monthly rental fees. It delivers stable connectivity for streaming and gaming when paired with a quality external router.

High-Speed Compatibility

This model handles multi-gigabit plans efficiently, ensuring your router gets full speed.

Cost Savings

Buying this modem eliminates recurring rental fees, saving money over time.

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2. ARRIS SURFboard SB8200 – Editor's Choice Cable Modem

ARRIS SURFboard SB8200 DOCSIS 3.1 Cable Modem | Up to 1 Gbps Plans4.4Editor scoreCheck price on Amazon
ARRIS SURFboard SB8200
DOCSIS 3.1
Up to 2 Gbps
2 Gigabit Ports
Cable Only

The ARRIS SURFboard SB8200 is a top-tier choice for those seeking future-proof connectivity. It receives high praise for its ability to handle internet plans up to 2 Gbps.

Pros

  • Multi-Gig support
  • Compact design
  • Easy activation

Cons

  • Requires separate router
  • No voice features

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Its compact footprint saves space while maintaining robust performance. The two 1 Gigabit Ethernet ports provide flexibility for wired connections to routers or devices.

Setup is straightforward, requiring only a cable connection and provider activation. It is not compatible with fiber or DSL, so it is best for cable subscribers only.

We recommend this modem for families needing reliable bandwidth for multiple users. It offers excellent value by combining speed with a trusted brand reputation.

Multi-Gigabit Performance

Support for 2 Gbps plans ensures you stay ahead of bandwidth demands.

Flexible Connectivity

Multiple Ethernet ports allow for versatile wired network configurations.

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3. NETGEAR Nighthawk CM3000 – Best Premium Cable Modem

NETGEAR Nighthawk CM3000 DOCSIS 3.1 Cable Modem for Xfinity, Cox & Spectrum4.3Editor scoreCheck price on Amazon
NETGEAR Nighthawk CM3000
Mid/High-Split
2.5 Gbps Down
Link Aggregation
Low Latency

The NETGEAR Nighthawk CM3000 delivers premium performance for high-speed cable plans. It features revolutionary mid/high-split technology that unlocks faster upload and download speeds.

Pros

  • Revolutionary mid-split tech
  • Link aggregation support
  • Stable connection

Cons

  • Higher price point
  • No built-in WiFi

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Its 2.5Gbps Ethernet port and link aggregation capabilities make it ideal for power users. You can combine ports for up to 2Gbps wired connectivity, maximizing router potential.

While more expensive, it justifies the cost with superior stability and speed. It is perfect for gaming and 4K streaming where latency matters significantly.

This modem is best for those who want the absolute best in cable internet hardware. Pair it with a high-end router for a complete whole-home solution.

Enhanced Upload Speeds

Mid-split technology provides significantly faster upload capabilities than standard modems.

Aggregation Capabilities

Link aggregation allows combining ports for increased wired bandwidth throughput.

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4. Arris Surfboard S34 – High Performance Cable Modem

Arris Surfboard S34 DOCSIS 3.1 Multi-Gig Cable Modem | 2.5Gbps + 1Gbps Ethernet Ports | Compatible with Xfinity, Cox, Spectrum | Next Gen Upstream | Modem Only, Router Required4.3Editor scoreCheck price on Amazon
Arris Surfboard S34
DOCSIS 3.1
2.5 Gbps Max
Next Gen Upstream
Two Ethernet Ports

The Arris Surfboard S34 offers compelling features for modern high-speed users. It supports plans up to 2.5 Gbps and includes a dedicated 2.5 Gigabit Ethernet port.

Pros

  • Future-proof upstream
  • 2.5 Gigabit port
  • Compact design

Cons

  • Requires separate router
  • Cable internet only

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Its future-proof upstream capabilities ensure compatibility with next-gen upload tiers. This is vital for users uploading large files or streaming content regularly.

The simple LED indicators make setup and status checks easy for anyone. It is a solid choice for Xfinity and Spectrum users needing reliability.

We suggest this model for anyone planning to upgrade speeds soon. It provides excellent connectivity without compromising on build quality or design.

Upstream Readiness

Designed to handle upcoming higher upload speed tiers from providers.

Port Variety

Includes both 2.5Gbps and 1Gbps ports for flexible device connection.

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5. NETGEAR Nighthawk CM3000 – Speed Focused Cable Modem

NETGEAR Nighthawk DOCSIS 3.1 Mid/High-Split Modem (CM3000-1AZNAS) – Approved for Today's Fastest Speeds - Works with All Providers, Incl. Xfinity, Spectrum, Cox - Plans up to 2.5Gbps4.2Editor scoreCheck price on Amazon
NETGEAR Nighthawk CM3000
DOCSIS 3.1
2.5Gbps Plans
App Management
Expert Support

This CM3000 variant emphasizes easy management alongside high speed. It supports plans up to 2.5Gbps and uses a free app for network monitoring.

Pros

  • Free Nighthawk app
  • Multi-gig support
  • Reliable performance

Cons

  • Needs active internet setup
  • Separate router needed

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The app allows you to manage settings remotely, adding convenience. Expert help is included for the first 90 days to assist with setup.

It is approved for all major US cable providers, ensuring broad compatibility. Real-world speeds depend on your plan, but the hardware is ready.

Choose this if you value app-based control and support features. It delivers the necessary bandwidth for today's connected home needs.

Remote Management

Manage your network settings easily using the free mobile application.

Provider Approval

Approved for top US cable providers to ensure seamless activation.

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6. Hitron CODA56 – Data Only Cable Modem

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 Router4.2Editor scoreCheck price on Amazon
Hitron CODA56
DOCSIS 3.1
Data Only Mode
Single Port
No Voice

The Hitron CODA56 focuses purely on data transfer with no voice features. This simplicity ensures it delivers maximum bandwidth for internet usage only.

Pros

  • Supports 2.5 Gbps
  • Technical support
  • Affordable

Cons

  • No voice support
  • WiFi router required

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It supports 2.5 Gbps plans effectively. The technical support team is available seven days a week for assistance.

Ensure your provider supports customer-owned modems before purchase. It is perfect for VoIP users who handle calling through separate software.

We recommend this for those seeking a straightforward, reliable modem. Its performance-to-cost ratio makes it a strong contender in the market.

Pure Data Focus

Specialized for internet data to avoid unnecessary voice complications.

Reliable Support

Access to technical experts ensures quick resolution of setup issues.

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7. ARRIS Surfboard S33 – Compact Cable Modem

ARRIS Surfboard S33 DOCSIS 3.1 Multi-Gig Cable Modem | Up to 2.5 Gbps4.2Editor scoreCheck price on Amazon
ARRIS Surfboard S33
DOCSIS 3.1
Up to 2.5 Gbps
Compact Footprint
Simple LEDs

The ARRIS Surfboard S33 combines speed with a space-saving footprint. It supports plans up to 2.5 Gbps while maintaining a modern design.

Pros

  • Space-saving design
  • Fast Ethernet
  • Easy activation

Cons

  • Requires separate router
  • No voice capability

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Its simple LED indicators allow quick status checks at a glance. Activation is straightforward when connected to your provider's network.

Ideal for apartments or small offices where space is limited. It delivers ultra-fast streaming capabilities for modern households.

This modem is a great pick for users prioritizing design and speed. It offers a balanced solution for high-demand internet users.

Space Efficiency

Designed to fit discreetly in tight spaces without sacrificing performance.

Streamlined Setup

Clear status lights simplify the activation process for users.

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8. NETGEAR Nighthawk CM2500 – Mid/High Cable Modem

NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM2500-1AZNAS) – Approved for Today’s Faster Speeds - Works with All Cable Providers Incl. Xfinity, Spectrum, Cox - Plans up to 2Gbps4.3Editor scoreCheck price on Amazon
NETGEAR Nighthawk CM2500
DOCSIS 3.1
2Gbps Down
1Gbps Upload
Link Aggregation

The NETGEAR CM2500 delivers 10x faster upload speeds than standard models. This benefits multi-family gaming and video conferencing significantly.

Pros

  • 10x faster upload
  • Future-proof
  • Easy remote access

Cons

  • No voice plans
  • Cable providers only

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Link aggregation allows combining ports for up to 2Gbps wired speeds. It supports Xfinity's 900Mbps download plans effectively.

Perfect for users needing remote access to security cameras or NAS. It stays ahead of future internet speed requirements.

We suggest this modem for those who upload large files often. Its performance ensures smooth connectivity for all your devices.

Enhanced Uploads

Faster upload speeds facilitate seamless video conferencing and file sharing.

Link Aggregation

Combine ports to maximize wired bandwidth for high-throughput needs.

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9. ARRIS Surfboard G34 – Combo Cable Modem

ARRIS Surfboard G34 DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router | AX30003.7Editor scoreCheck price on Amazon
ARRIS Surfboard G34
DOCSIS 3.1
AX3000 Wi-Fi 6
4 Ethernet Ports
Combo Unit

The ARRIS Surfboard G34 is an all-in-one unit combining modem and router. It delivers 2.5 Gbps support with integrated Wi-Fi 6 technology.

Pros

  • Modem and router included
  • 4 Ethernet ports
  • AX3000 speed

Cons

  • Lower rating
  • No upgrade flexibility

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Its four Gigabit Ethernet ports support multiple wired devices simultaneously. This is convenient for users who prefer a single device.

However, ratings are lower than standalone modems. Upgrading either component later requires replacing the whole unit.

Choose this if you need simplicity and want to avoid extra hardware. It offers whole-home coverage without multiple devices to manage.

All-in-One Design

Simplifies home networking by combining essential hardware into one box.

Wired Connectivity

Multiple ports ensure stable connections for gaming consoles or PCs.

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10. N/A – Additional Cable Modem Option

N/A
Data unavailable
Check listing
Verify specs
Compare now

This entry currently lacks detailed data in our source list. Please verify its status and specifications directly on the retailer site.

Pros

  • Potential addition
  • Check details

Cons

  • Info not provided

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Sometimes new models are added later. Check the product page for any updates or changes.

We aim to keep our list accurate and current. If you know the model, compare it against our top picks.

This placeholder ensures you can access the product link directly. Always check provider compatibility before buying any modem.

Verify Compatibility

Ensure any new modem supports your specific internet plan type.

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Buying Guide – How to Choose the Best Cable Modem

Selecting the right cable modem requires understanding your internet plan and home needs. We outline the key factors to ensure you get maximum performance.

DOCSIS Version

Look for DOCSIS 3.1 technology for the best speed and reliability. It supports higher bandwidth and is future-proof for upcoming upgrades.

Choose DOCSIS 3.1 to ensure your modem handles modern high-speed internet efficiently.

Speed Compatibility

Match the modem's max speed to your internet plan. A 1 Gbps modem will bottleneck a 2 Gbps plan regardless of your router.

Always verify the modem supports your plan's top speed to avoid wasted bandwidth.

Ethernet Ports

Ensure the modem has enough Ethernet ports for your setup. Some models only have one, which is fine if you use a router.

Select a modem with at least one Gigabit port to support fast wired connections.

Provider Approval

Not all modems work with all providers. Verify that your chosen model is on your ISP's approved list to avoid activation issues.

Check your provider's compatibility list before purchasing to ensure seamless setup.

Modem vs Gateway

Decide if you need a standalone modem or a combined gateway. Standalone modems offer better performance and upgrade flexibility.

Choose a standalone modem if you want a separate router for better WiFi control.

Voice Services

If you have home phone service, ensure the modem supports voice. Many high-speed modems are data-only and cannot handle phone lines.

Verify voice support if your plan includes home telephone service with internet.

Warranty Support

Look for brands that offer strong warranty coverage and technical support. Issues can arise, and having help available is valuable for long-term use.

Prioritize brands with reliable support channels for easier troubleshooting.

Rental Savings

Calculate how quickly buying a modem pays off. Most rental fees range from 10 to 15 dollars monthly, so buying usually saves money within two years.

Buy your own modem to avoid monthly rental fees and save money over time.

How to Use and Care for Your Cable Modem

Connect the coaxial cable to the modem and tighten it securely. Plug the power adapter into an outlet and turn on the device.

Use an Ethernet cable to connect the modem to your router's WAN port. Wait for the online light to turn solid before proceeding.

Place the modem in a well-ventilated area away from heat sources. Restart it every few months to clear the cache and maintain performance.

Frequently Asked Questions

Does a cable modem work with fiber internet?

No, cable modems only work with coaxial cable internet services like Xfinity or Spectrum. Fiber internet uses a different connection type called ONT, not a modem. Check your connection type before buying to ensure compatibility with your provider.

Can I use this modem for home phone service?

Many high-speed cable modems are data-only and do not support home phone lines. If you need voice service, look for a modem with Voice support. Verify with your ISP if you need integrated telephone capabilities.

Do I still need a router with this modem?

Yes, standalone modems require a separate router to create a WiFi network. The modem brings internet to your home, while the router distributes it wirelessly. Buying both separately often gives better performance than combo units.

How do I activate my new modem with my provider?

Activation typically involves calling your ISP or using their online portal. They will need the modem's MAC address to register it on their network. Follow their instructions to avoid connectivity issues after setup.

Will a faster modem increase my internet speed?

A faster modem can unlock your plan's full speed if your current one is outdated. However, it cannot exceed the limit set by your ISP plan. Ensure your router is also capable of handling high-speed data.

How long do cable modems usually last?

Most cable modems last between five and seven years with proper care. Regular restarts and protecting them from power surges extend their lifespan. Check for older models if you experience frequent connectivity drops.

What is DOCSIS 3.1 technology?

DOCSIS 3.1 is the latest standard for cable internet providing higher speeds and efficiency. It allows providers to offer multi-gigabit plans without changing the existing cable infrastructure. It is the recommended choice for modern home networks.

Are there hidden fees when I buy my own modem?

There are usually no hidden fees once you buy your own modem. Some ISPs may have activation fees, but these are one-time charges. Check your contract to avoid penalties for terminating equipment rental plans early.

Final Thoughts on Choosing the Best Cable Modem

We recommend the Hitron CODA56 for budget buyers and the ARRIS SURFboard SB8200 for balanced performance. Premium users should consider the NETGEAR Nighthawk CM3000 for top-tier features.

Focus on DOCSIS 3.1 technology and speed matching to ensure you do not bottleneck your internet plan. Verify provider compatibility to avoid activation headaches after purchase.

Prices change frequently so check current offers before finalizing your order. Choosing the right modem today ensures a reliable network for years to come.