Finding the best Cox compatible modem router combo can streamline your internet setup, reduce clutter, and improve overall performance. This guide reviews the top 10 options available in 2026, helping you make an informed decision based on speed, compatibility, and features. Whether you need a budget-friendly model or a high-end device, our selections cover a range of needs to ensure you get the best value for your money.
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| 1 Best Overall |
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NETGEAR Nighthawk Modem Router Combo (CAX30) DOCSIS 3.1...
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| 2 Best Value |
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Arris (G18) - Cable Modem Router Combo -...
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| 3 |
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NETGEAR Nighthawk WiFi 6Cable Modem Router CAX30-100NAR Compatible...
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| 4 |
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NETGEAR Nighthawk Cable Modem and WiFi 5 Router...
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| 5 |
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Motorola MG8702 | DOCSIS 3.1 Cable Modem +...
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| 6 |
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Netgear Nighthawk Cable Modem WiFi Router Combo C7000-Compatibility...
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| 7 |
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NETGEAR Nighthawk Cable Modem and WiFi 5 Router...
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| 8 |
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Arris (G20) - Cable Modem Router Combo -...
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| 9 |
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ARRIS (G54) - Cable Modem Router Combo -...
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| 10 |
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NETGEAR Nighthawk Cable Modem and WiFi 6 Router...
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Top 10 Best Cox Compatible Modem Router Combo Reviews
1. Arris SURFboard SBG8300
- Approved for Cox, Spectrum and Xfinity internet along with other US cable internet providers. Is NOT compatible with ATT, CenturyLink, Verizon, Frontier or other Fiber Optic, DSL or Satellite internet service providers.
- Does NOT support cable digital voice service.
- A Trusted Name in Home Connectivity: Get high speeds, low latency, and a two-in-one product! With the ARRIS SURFboard SBG8300-RB Wi-Fi Cable Modem, you will increase your network capability and get ultra-fast streaming and downloading throughout your home. From a trusted brand with over 260 million modems sold and growing.
- Save Money: Own your modem and save. Reduce your cable bill up to $168 dollars per year in cable modem rental fees (Savings vary by cable service provider). Certified for use with most U.S. cable internet service providers. For a complete list see additional details below.
- Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSIS 3.0, provides better security, reduces lag while gaming & enables multi-gig networking (ability to run fast speeds on your copper cable from your internet provider).
- DOCSIS 3.1 & Wi-Fi 6 support
- Gigabit Ethernet ports
- Built-in router with dual-band Wi-Fi
Pros: Fast speeds, future-proof with DOCSIS 3.1, reliable Wi-Fi 6 connectivity, easy setup.
Cons: Slightly bulky design, higher price point, occasional firmware updates needed.
Price Range: $200 – $250
Best For: Households seeking cutting-edge speed and reliability.
2. Motorola MG8725
- Ultra-fast DOCSIS 3.1 cable modem. Supports fast internet plans with DOCSIS 3.1, backward compatible with 32x8 DOCSIS 3.0. Features one 2.5 Gig ethernet port and three 1 Gig Ethernet ports for wired connections.
- Warp speed AX6000 4x4 router. Power Boost, Range Boost, and AnyBeam WiFi beamforming enable whole-home coverage. Supports multi-gigabit speeds, depending on your service plan.
- Bye bye, latency. This hardware model was the first to Low Latency DOCSIS (LLD) certification by CableLabs, making it LLD ready (requires a firmware update when supported and certified by cable providers). Lower latency reduces lag for the ultimate gaming, streaming, and conferencing experience
- Safety. Privacy. Control. Setup in minutes using the motosync app. Access speed tests, guest network, signal strength, and malware blocking. Create family profiles to filter content, set schedules, monitor usage, and more.
- Superior, but pays for itself. Savings up to $168 per year on modem rental fees.
- DOCSIS 3.1 modem
- AX1800 Wi-Fi 6 router
- Supports multiple devices
Pros: Excellent performance, supports high-bandwidth activities, easy to set up, solid build quality.
Cons: Slightly complex for beginners, premium price, no phone port.
Price Range: $180 – $220
Best For: Large homes with multiple connected devices.
3. NETGEAR Nighthawk Cable Modem Router Combo (C7000)
- Compatible with major cable internet providers including Xfinity and Cox. NOT compatible with Verizon, Spectrum, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service. Best for cable provider plans up to 800Mbps.
- DOCSIS 3.0, 24×8 channel bonding
- AC3200 Wi-Fi speed
- Supports multi-device streaming
Pros: Strong Wi-Fi coverage, reliable performance, user-friendly interface, good for gaming.
Cons: Slightly outdated DOCSIS 3.0, bulkier design, occasional firmware updates.
Price Range: $150 – $200
Best For: Medium to large households with multiple users.
4. ASUS CM-AX6000
- Next-Gen WiFi 6 Standard - 802.11ax WiFi standard for better efficiency and throughput..Power Supply : AC Input : 110V~240V(50~60Hz). DC Output : 19V 3.42A.
- Ultrafast WiFi Speed - 12-stream 6000Mbps WiFi speed to handle even the busiest network with ease.
- Dual 10G ports - Enjoy up to 10X-faster data-transfer speeds for bandwidth-demanding tasks with 10GBase-T and 10G SFP plus networking technology port.
- Wider Usage and More Convenience - 8 antennas plus 8 LAN ports to support more clients at the same time.
- Commercial-grade Security - AiProtection Pro, powered by Trend Micro, blocks internet security threats for all your connected smart devices.
- DOCSIS 3.1 & Wi-Fi 6E
- Supports gigabit speeds
- Multiple Ethernet ports
Pros: High-speed performance, future-proof Wi-Fi 6E, sleek design, robust security features.
Cons: Higher cost, complex setup for beginners, large size.
Price Range: $250 – $300
Best For: Tech enthusiasts needing top-tier speed.
5. Xfinity XB7T
- World Wide Input Voltage 100-240VAC 50/60Hz OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection)
- UpBright New [UL Listed] Global Original OEM 12V AC / DC Adapter Compatible with Xfinity XB7-T XB7T PN: CGM4331COM Comcast Gigabit WiFi Modem Router DC12V 4.6 A 12 V 12.0 VDC Switching ITE Power Supply Cord Cable PS Battery Charger Mains PSU
- Compatible with: AB EPS6 AC Adapter-AB Model: ADK002 12.0V 4.6A 12VDC 4600mA 12Volts 4.6Amp 12 Volt +12V 12.0VDC 12 VDC 12 Volts I.T.E. Power Supply
- Tested Units. In Great Working Condition. UpBright 30 days Refund. 24 Months Exchange
- DOCSIS 3.1 compatible
- Wi-Fi 6 support
- Built-in router with multiple ports
Pros: Excellent compatibility, fast Wi-Fi, easy to activate, reliable connection.
Cons: Slightly expensive, bulkier build, limited customization.
Price Range: $180 – $220
Best For: Xfinity customers seeking seamless compatibility.
6. Netgear CM500
- Save monthly rental fees: Model CM500 replaces your cable modem, saving you up to $168/yr in equipment rental fees.
- Speeds by carrier plans: Xfinity (up to 200Mbps), Cox (up to 150Mbps).
- Works with any wifi router: Connect any WiFi router, separate unit, to this modem's Ethernet port to support all your wireless devices.
- Ethernet connections: 1 Gigabit Ethernet port connects to your computer or separate WiFi router.
- Modem technology: Engineered with 16x4 channel bonding and DOCSIS 3.0.
- DOCSIS 3.0, 16×4 channel bonding
- Affordable price
- Easy to set up
Pros: Budget-friendly, reliable for basic plans, compact design, simple setup.
Cons: Not future-proof, slower speeds for heavy usage, no built-in router.
Price Range: $70 – $100
Best For: Light internet users with basic plans.
7. Motorola MB7621
- Model MB7621 is recommended for actual cable Internet service speeds up to 900 Mbps. Wirecutter rates this “the best modem for most people.” A Full-Band Capture Digital Tuner ensures faster, more reliable Internet.
- Pairs with any WiFi router - Seamlessly compatible with any WiFi router to connect all your devices. This cable modem does NOT have a built-in wireless router or telephone call capability.
- Cost-saving solution: Owning your own modem typically saves the average home $156 per year in monthly rental charges. (Savings are shown for Comcast Xfinity and vary by cable service provider.)
- DOCSIS 3.0, 24×8 channels
- Compact design
- Supports up to 400 Mbps
Pros: Affordable, reliable, easy to install, compatible with many ISPs.
Cons: No Wi-Fi, outdated technology, limited future-proofing.
Price Range: $80 – $120
Best For: Basic internet needs without Wi-Fi requirements.
8. ARRIS Surfboard SBG6950AC2
- 16 downstream & 4 upstream DOCSIS 3.0 bonded channels. Best for cable internet speed plans up to 400 Mbps.
- Wi-Fi 5 AC1900 dual-band concurrent Wi-Fi Router with 4 Gigabit Ethernet ports
- Setup and manage your network with the SURFboard Manager app
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- Cable Modem Router - DOCSIS 3.0
- DOCSIS 3.0 & AC1750 Wi-Fi
- Supports multiple devices
- Built-in router
Pros: Dual-band Wi-Fi, easy setup, good coverage, reliable connection.
Cons: Slightly outdated DOCSIS 3.0, large size, occasional firmware updates.
Price Range: $150 – $180
Best For: Small to medium households with multiple devices.
9. TP-Link Archer MR600
- OneMesh Compatible Router - Form a seamless WiFi when work with TP-Link OneMesh WiFi Extenders
- Next-Gen Wi-Fi 6 Technology – The Archer AX10 leverages advanced Wi-Fi 6 features like OFDMA and 1024-QAM to deliver improved efficiency across your entire network. Perfect for high-bandwidth activities like streaming, gaming, and smart home connectivity.
- Next-gen Dual Band router - 300 Mbps on 2. 4 GHz (802. 11n) plus 1201 Mbps on 5 GHz (802. 11ax)
- Connect more devices than ever before - Wi-Fi 6 technology simultaneously communicates more data to more devices using OFDMA and MU-MIMO while reducing lag dramatically
- Powerful Dual-Core 900MHz Processor – Handles multiple data streams simultaneously for reliable performance across your devices. Ensures smooth streaming, online gaming, and video conferencing without buffering or lag.
- 4G LTE support with Ethernet
- AC1200 Wi-Fi
- Supports small to medium homes
Pros: Versatile with LTE support, affordable, easy to use, reliable Wi-Fi.
Cons: Not a traditional cable modem, limited to LTE internet, slower than wired connections.
Price Range: $100 – $130
Best For: Users needing backup internet or LTE connectivity.
10. Linksys CMX20
- LEAVE THE LAG BEHIND: Linksys Hydra 6 WiFi router uses Intelligent Mesh to deliver the speed of WiFi 6, at an affordable price. From next-level gaming to streaming your favorite content, get the fastest connection to everything you do.
- THE POWER AND RELIABILITY OF WIFI 6: Experience rock solid connectivity with this dual-band WiFi 6 wireless router. An advanced Qualcomm chipset delivers the ultimate mesh WiFi 6 experience for stable streaming, and wire-like low latency
- MORE WIFI FOR MORE DEVICES: Supporting 25+ devices, and up to 2,000 sq ft, this WiFi 6 router sends and receives multiple streams of data simultaneously, providing up to 4x the WiFi capacity so it can handle more gaming and smart home devices
- EASY SETUP & CONTROL: Wireless routers set up in minutes with the free Linksys App, allowing seamless management of your WiFi mesh network system. You can view or prioritize which connected devices are using the most WiFi from anywhere.
- POWERED BY INTELLIGENT MESH TECHNOLOGY: Eliminate dead zones and dynamically maximize speed with Linksys WiFi mesh networks. Expand the range of your WiFi network by adding nodes to keep your connection going strong
- DOCSIS 3.0, 16×4 channels
- Built-in Wi-Fi router
- Affordable and easy to set up
Pros: Budget-friendly, simple setup, decent speed, reliable for basic plans.
Cons: Limited future-proofing, slower speeds for high-bandwidth tasks, no advanced features.
Price Range: $80 – $110
Best For: Light internet users on a budget.
Comparison Table
| Product Name | Price | Key Feature | Rating |
|---|---|---|---|
| Arris SURFboard SBG8300 | $200-$250 | Wi-Fi 6 & DOCSIS 3.1 | 4.8/5 |
| Motorola MG8725 | $180-$220 | AX1800 Wi-Fi 6 & DOCSIS 3.1 | 4.7/5 |
| NETGEAR Nighthawk C7000 | $150-$200 | AC3200 Wi-Fi & DOCSIS 3.0 | 4.6/5 |
| ASUS CM-AX6000 | $250-$300 | Wi-Fi 6E & DOCSIS 3.1 | 4.8/5 |
| Xfinity XB7T | $180-$220 | Wi-Fi 6 & DOCSIS 3.1 | 4.7/5 |
| Netgear CM500 | $70-$100 | DOCSIS 3.0 | 4.2/5 |
| Motorola MB7621 | $80-$120 | DOCSIS 3.0 & 24×8 channels | 4.3/5 |
| ARRIS Surfboard SBG6950AC2 | $150-$180 | AC1750 Wi-Fi & DOCSIS 3.0 | 4.5/5 |
| TP-Link Archer MR600 | $100-$130 | LTE & AC1200 Wi-Fi | 4.0/5 |
| Linksys CMX20 | $80-$110 | DOCSIS 3.0 | 4.1/5 |
Buying Guide
What to Look For
Prioritize compatibility with Cox, support for DOCSIS 3.1 for future-proofing, Wi-Fi 6 or Wi-Fi 6E for faster speeds, and sufficient Ethernet ports. Consider your household size and internet usage to select a model with the right speed and coverage.
Common Mistakes
Avoid models that are outdated or incompatible with Cox plans. Don’t overlook the importance of firmware updates and customer support. Choosing a device solely based on price might lead to poor performance or future upgrade costs.
Additional Tips
Check user reviews for real-world performance, verify warranty coverage, and ensure the device is easy to set up or upgrade. Compatibility with your current plan ensures you won’t face unexpected issues.
FAQ
1. Are all Cox-compatible modems and routers the same?
No, compatibility varies; always verify the device supports your specific Cox plan and DOCSIS version.
2. Do I need a separate router if I buy a combo?
Most modem-router combos include Wi-Fi, but if you need advanced features or higher performance, consider a dedicated router.
3. Can I upgrade my Cox modem/router combo later?
Yes, but ensure the new device is compatible with Cox and supports your internet plan’s speed and features.
Conclusion
The best Cox compatible modem router combo combines speed, reliability, and future-proof features. Our top picks offer a range of options for different budgets and household sizes. Carefully consider your needs, verify compatibility, and choose a device that ensures seamless internet connectivity now and in the future.