If you’re looking for the best Xfinity compatible modem/router combination, you’re in the right place. This guide aims to help you find reliable, high-performance devices that seamlessly work with Xfinity internet service. We’ve reviewed the top options on the market, considering features, affordability, and user feedback. Whether you need a budget-friendly starter kit or a premium setup, our list covers a range of options to suit every need.
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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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NETGEAR Nighthawk Cable Modem and WiFi 5 Router...
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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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Netgear Nighthawk Cable Modem WiFi Router Combo C7000-Compatibility...
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| 6 |
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ARRIS SURFboard SB8200 DOCSIS 3.1 Multi‑Gig Cable Modem...
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| 7 |
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ARRIS (G34) - Cable Modem Router Combo -...
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| 8 |
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Hitron CODA56 Cable Internet Modem ONLY - DOCSIS...
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| 9 |
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NETGEAR Nighthawk Cable Modem and WiFi 6 Router...
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| 10 |
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NETGEAR Nighthawk Modem Router Combo (CAX30) DOCSIS 3.1...
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Top 10 Best Xfinity Compatible Modem/Router Combinations 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 modem & AC2350 Wi-Fi router
- 4 Gigabit Ethernet ports
- Supports multiple devices simultaneously
Pros: Fast speeds, reliable connection, future-proof DOCSIS 3.1, easy setup.
Cons: Larger size, slightly higher price, sometimes overkill for basic plans.
Price Range: $200-$250
Best For: Heavy internet users, 4K streaming, gaming setups.
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.
- AC3200 Wi-Fi router & DOCSIS 3.1 modem
- Supports speeds up to 2.5 Gbps
- Four Gigabit Ethernet ports
Pros: Excellent speed, robust build, easy to configure.
Cons: Slightly complex setup for beginners, higher cost.
Price Range: $180-$220
Best For: High-speed gaming and streaming.
3. Netgear Nighthawk Cable Modem Router Combo (C7800)
- Compatible with all major cable internet providers with internet speed up to 1Gbp. Currently certified with Spectrum and Cox (up to 1Gbps) and Xfinity (up to 800Mbps). Future speeds with these service providers may change over time. Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
- Save monthly rental fees: Model C7800 replaces your cable modem and Wi-Fi router saving you up to Dollar 168/year in equipment rental fees
- Get up to 3000 square feet wireless coverage and 45 devices connected with AC3200 speed (up to 3200 Mbps)
- Four (4) Gigabit Ethernet ports and 2 hi-speed USB 3.0 ports give you fast wired connections to your computer, printer, game box, storage drive, and other devices
- Modem technology: Engineered with 32x8 channel bonding and DOCSIS 3.1
- DOCSIS 3.1 & AC3200 Wi-Fi
- Supports Xfinity plans up to 2 Gbps
- 4 Gigabit Ethernet ports
Pros: Strong performance, easy to set up, reliable connection.
Cons: Bulky design, premium price.
Price Range: $250-$300
Best For: Families with multiple devices and high bandwidth needs.
4. Arris SURFboard SBG7600AC2
![ARRIS (SBG7600AC2) - Cable Modem Router Combo - DOCSIS 3.0 & AC2350 WiFi, [Check with your provider for compatibility]Four 1 Gbps Ports , 800 Mbps Max Internet Speeds](https://m.media-amazon.com/images/I/41Uoor5u5sL.jpg)
- A Trusted Name in Home Connectivity: Get high speeds, better coverage, and a two-in-one product. With the ARRIS SURFboard SBG7600AC2 Wi-Fi Cable Modem, you will increase your network capability and get faster 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 3.0 Cable Modem with AC2350 Wi-Fi Router that delivers high speed internet to your home devices.
- Simple and Secure Set-up: Just plug-in, download the SURFboard Central App, and follow the step-by-step intrstuctions to activate the modem, set-up and customize your Wi-Fi network, and add devices to your home network. Once setup is complete, the app provides real-time monitoring of the devices on your network, enhanced parental controls like setting time limits and pausing internet and much more.
- Compatibility: The SURFboard SBG7600AC2 is compatible with major U.S. cable internet providers including Cox, Xfinity and others. It's approved for cable internet speed plans up to 800 Mbps. Check your Internet Service Provider (ISP) website to confirm compatibility.
- DOCSIS 3.0 & AC2350 Wi-Fi
- Supports speeds up to 600 Mbps
- 4 Gigabit Ethernet ports
Pros: Budget-friendly, reliable connection, easy setup.
Cons: Less future-proof, slower than DOCSIS 3.1 devices.
Price Range: $100-$150
Best For: Moderate internet users and small households.
5. ASUS CM-AX4200
- Ultrafast WiFi 6 - Enjoy speeds up to 4200 Mbps and 4X network efficiency with OFDMA and 160 MHz channels.
- Fast & Stable Wired Gaming - Dedicated gaming port to prioritize connected gaming device.
- Easy Port Forwarding in 3 Steps - Open NAT makes port forwarding simple, eliminating frustrating and complicated manual configuration.
- True Multi-Gigabit wired speeds - Aggregated 2 Gigabit LAN connections, wired 2.5Gbps port and WiFi 6.
- Extendable Router with AIMesh – Create a flexible, seamless whole-home mesh network with AiMesh-compatible routers.
- DOCSIS 3.1 & AX4200 Wi-Fi 6
- Supports speeds up to 6 Gbps
- 4 Gigabit Ethernet ports
Pros: Advanced Wi-Fi 6 technology, fast speeds, good coverage.
Cons: Slightly expensive, complex setup for novices.
Price Range: $220-$260
Best For: Tech enthusiasts and high-demand households.
6. TP-Link Archer CR700
- Eliminate rental fee: eliminate your cable Modem monthly rental fee - up to $120 per year
- Cable Modem router: item is cable Modem router and this will serve as both your cable Modem and Wi-Fi router
- Industry leading support: 2-year warranty and free 24/7 technical support; J. D. Power Ranked TP-LINK "highest in customer satisfaction for wireless routers in 2017"；great for cable internet plans up to 300Mbps with Infinity from Comcast, spectrum (including Charter, time Warner Cable, and bright house networks), Cox, Sudden link, Mediacom, and wow
- Faster speed: up to 1750Mbps Wi-Fi speeds with simultaneous 2. 4GHz (up to 450Mbps) and 5GHz (up to 1300Mbps) bands; Channel bonding of up to 16 downstream and 4 upstream channels, up to 680Mbps download speeds
- Increased Wi-Fi range: six internal antennas and high-powered amplifiers Boost signal strength and reduce interference
- DOCSIS 3.0 & AC1750 Wi-Fi
- Supports speeds up to 300 Mbps
- 4 Gigabit Ethernet ports
Pros: Affordable, good Wi-Fi coverage, easy installation.
Cons: Not future-proof, slower speeds for heavy streaming.
Price Range: $80-$130
Best For: Small households with basic internet needs.
7. Netgear Nighthawk CM2000
- Mid/high-split DOCSIS 3.1 cable modem delivers up to 2Gbps of download speeds and 1Gbps of upload speeds
- Unlock faster cable internet speeds, such as Xfinity’s 900Mbps download speeds and 100Mbps upload speeds. Works with all major US internet providers. Not compatible with Xfinity Voice plans
- Faster download speeds powers your digital lifestyle with enhanced speed, capacity, efficiency, and response times
- 10x faster upload speeds for seamless multi-family gaming, video conferencing and uploading even the largest files—simultaneously. Plus provides easy remote access to your home security cameras and files on your NAS
- For the ultimate in performance, link a NETGEAR WiFi 6E or WiFi 7 router or Orbi system to the CM2500 cable modem
- DOCSIS 3.1 modem
- Supports speeds up to 2 Gbps
- Ethernet port for router connection
Pros: Future-proof, high-speed compatibility, sleek design.
Cons: No built-in Wi-Fi, requires separate router.
Price Range: $170-$200
Best For: Users needing high-speed modem for router pairing.
8. 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 & Compact design
- Supports speeds up to 650 Mbps
- Easy to install
Pros: Reliable performance, budget-friendly.
Cons: No Wi-Fi built-in, limited future-proofing.
Price Range: $70-$100
Best For: Basic internet plans, small homes.
9. 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
- arris; modem; cable modem; docsis; 3.0; comcast; charter; xfinity; hi-speed; internet; motorola; time warner; brighthouse; mediacom; surfboard; 16x4; gigabit; netgear; wifi; spectrum; cox; suddenlink
- Cable Modem Router - DOCSIS 3.0
- DOCSIS 3.0 & AC1900 Wi-Fi
- Supports speeds up to 400 Mbps
- 4 Ethernet ports
Pros: Affordable, reliable performance.
Cons: Slightly outdated, slower than newer models.
Price Range: $100-$130
Best For: Small to medium households with moderate needs.
10. ASUS RT-AX55
- New-Gen WiFi Standard – WiFi 6(802.11ax) standard supporting MU-MIMO and OFDMA technology for better efficiency and throughput.Antenna : External antenna x 4. Processor : Dual-core (4 VPE). Power Supply : AC Input : 110V~240V(50~60Hz), DC Output : 12 V with max. 1.5A current.
- Ultra-fast WiFi Speed – RT-AX1800S supports 1024-QAM for dramatically faster wireless connections
- Increase Capacity and Efficiency – Supporting not only MU-MIMO but also OFDMA technique to efficiently allocate channels, communicate with multiple devices simultaneously
- 5 Gigabit ports – One Gigabit WAN port and four Gigabit LAN ports, 10X faster than 100–Base T Ethernet.
- Commercial-grade Security Anywhere – Protect your home network with AiProtection Classic, powered by Trend Micro. And when away from home, ASUS Instant Guard gives you a one-click secure VPN.
- Wi-Fi 6 router with Ethernet port
- Supports compatibility with DOCSIS modems
- Good coverage for medium homes
Pros: Modern Wi-Fi 6 features, strong performance.
Cons: Needs separate modem, slightly higher cost.
Price Range: $120-$150
Best For: Users with existing compatible modem or planning upgrade.
Comparison Table
| Product Name | Price | Key Feature | Rating |
|---|---|---|---|
| Arris Surfboard SBG8300 | $200-$250 | DOCSIS 3.1 & AC2350 Wi-Fi | 4.7/5 |
| Motorola MG8725 | $180-$220 | High-speed DOCSIS 3.1 & AC3200 | 4.6/5 |
| Netgear Nighthawk C7800 | $250-$300 | DOCSIS 3.1 & AC3200 Wi-Fi | 4.8/5 |
| Arris SURFboard SBG7600AC2 | $100-$150 | DOCSIS 3.0 & AC2350 Wi-Fi | 4.4/5 |
| ASUS CM-AX4200 | $220-$260 | Wi-Fi 6 & DOCSIS 3.1 | 4.7/5 |
| TP-Link Archer CR700 | $80-$130 | DOCSIS 3.0 & AC1750 Wi-Fi | 4.2/5 |
| Netgear Nighthawk CM2000 | $170-$200 | DOCSIS 3.1 & 2 Gbps speeds | 4.7/5 |
| Motorola MB7621 | $70-$100 | DOCSIS 3.0 & Compact | 4.3/5 |
| Arris SURFboard SBG6950AC2 | $100-$130 | DOCSIS 3.0 & AC1900 Wi-Fi | 4.1/5 |
| ASUS RT-AX55 | $120-$150 | Wi-Fi 6 & Ethernet | 4.6/5 |
Buying Guide
What to Look For
Focus on DOCSIS standards—preferably DOCSIS 3.1 for future-proofing—and ensure the device supports your desired internet speeds. Consider Wi-Fi technology (Wi-Fi 5 vs. Wi-Fi 6), the number of Ethernet ports, and overall coverage area.
Common Mistakes to Avoid
Don’t buy a modem/router combo that doesn’t support your plan’s maximum speeds. Avoid outdated DOCSIS 3.0 devices if you want longevity. Also, check compatibility with Xfinity before purchasing to prevent setup issues.
Additional Tips
Look for devices with good reviews for reliability, easy setup, and customer support. If you have multiple devices, prioritize models with Wi-Fi 6 for better performance and future-proofing.
FAQ
Is a separate modem and router better than a combo?
Separate devices often offer better performance and flexibility, but combos are more convenient and easier to set up.
Will any modem/router work with Xfinity?
No, ensure the device is compatible with Xfinity’s network standards, particularly DOCSIS 3.1 for gigabit plans.
Do I need a Wi-Fi 6 router if I have a DOCSIS 3.1 modem?
Yes, a Wi-Fi 6 router enhances wireless performance and is compatible with DOCSIS 3.1 modems for optimal speed and coverage.
Conclusion
Choosing the best Xfinity compatible modem/router combination depends on your speed needs and budget. Focus on DOCSIS standards, Wi-Fi technology, and device reliability. Our top picks offer options for every household, ensuring a seamless internet experience with Xfinity.