Owning an Xfinity-compatible modem router combo in 2025 saves you Comcast’s $15/month rental fee ($180/year) while delivering superior performance for high-speed plans. With Xfinity’s Gigabit and Next Gen plans offering speeds up to 2 Gbps, choosing a reliable, high-performance device is essential. Our top picks—ARRIS SURFboard G54, NETGEAR Nighthawk CAX80, ARRIS SURFboard G36, Motorola MG8702, and NETGEAR Nighthawk CAX30—excel in DOCSIS 3.1, Wi-Fi 6/7, multi-gig ports, and seamless Xfinity compatibility. This guide explores the best Xfinity modem router combo, tailored to various plans, budgets, and needs like gaming, streaming, and smart home connectivity.
ALSO READ: Best Comcast Compatible Modems
Why Choose an Xfinity Modem Router Combo?
Benefits of Xfinity Modem Router Combos
An Xfinity modem router combo eliminates rental fees, saving $180 annually, and supports Xfinity’s Gigabit (1.2 Gbps) and Next Gen (2 Gbps) plans with DOCSIS 3.1. Wi-Fi 6/7 ensures faster speeds, low latency, and capacity for 30+ devices, perfect for 4K streaming, gaming, and smart homes. A single device reduces clutter, simplifies setup via the Xfinity app or my.xfinity.com, and integrates seamlessly with Comcast’s network for reliable performance.
Top 5 Best Xfinity Modem Router Combos
Below are the top 5 Xfinity-certified modem router combos for 2025, compared by speed, Wi-Fi standards, ports, and price, ensuring compatibility and optimal performance.
1. ARRIS SURFboard G54 – Best Overall for Xfinity
- Save Money: Own your modem and save. Reduce your cable bill up to 168 dollars per year in cable modem rental fees (Savin…
- Compatibility: The SURFboard G54 is compatible with major U.S. cable internet providers including Cox (Gigablast), Spect…
- Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSI…

- Features: DOCSIS 3.1, Wi-Fi 7, up to 10 Gbps, 1x 10 Gbps + 4x 1 Gbps ports, tri-band (2.4/5/6 GHz), 5,000 sq ft coverage, 32×8 channels.
- Pros: Future-proof with Wi-Fi 7, supports Xfinity’s 2 Gbps Next Gen plans, easy setup via SURFboard Central app, Alexa integration.
- Cons: Expensive, overkill for plans under 1 Gbps.
- Best For: Large homes with Xfinity Gigabit Extra or Next Gen plans (1.2–2 Gbps).
2. NETGEAR Nighthawk CAX80 – Best for Gaming and Streaming
- Compatible with major cable internet providers including Xfinity, Spectrum, Cox and more. NOT compatible with Verizon, A…
- Coverage up to 2,500 sq. ft. and 30 concurrent devices with dual-band WiFi 6 (AX6000) speed (up to 6Gbps)
- 4 X 1 Gig Ethernet ports and 1 x 2.5 Multi-gig LAN or internet port (supports port aggregation) and 1 USB 3.0 port for c…

- Features: DOCSIS 3.1, Wi-Fi 6, up to 6 Gbps, 1x 2.5 Gbps + 4x 1 Gbps ports, dual-band, 2,500 sq ft coverage, 32×8 channels.
- Pros: Low latency with QoS, supports Xfinity’s 800–1200 Mbps plans, Nighthawk app management, NETGEAR Armor security.
- Cons: No Wi-Fi 7, pricey for mid-tier plans.
- Best For: Gamers and streamers on Xfinity Gigabit plans needing reliable performance.
3. ARRIS SURFboard G36 – Best Value for Xfinity
- A Trusted Name in Home Connectivity: Get high speeds, low latency, and a two-in-one product. With the ARRIS SURFboard G3…
- Save Money: Own your modem and save. Reduce your cable bill up to 168 dollars per year in cable modem rental fees (Savin…
- Modem Technology: DOCSIS 3.1 is the newest technology available from cable internet providers. Its 10x faster than DOCSI…

- Features: DOCSIS 3.1, Wi-Fi 6, up to 2.5 Gbps, 1x 2.5 Gbps + 4x 1 Gbps ports, dual-band, 3,000 sq ft coverage, 32×8 channels.
- Pros: Affordable, supports Xfinity’s 1200 Mbps plans, Alexa integration, reliable for medium homes.
- Cons: No Wi-Fi 7, less coverage than G54.
- Best For: Budget-conscious users with Xfinity Gigabit plans (400–1200 Mbps).
4. Motorola MG8702 – Best Mid-Tier for Xfinity
- Instantly upgraded you WiFi performance with advanced tech all while saving up to $168 per year in rental fees by owning…
- Access the fastest cable internet plans available, with the future-proof performance of the DOCSIS 3.1 cable modem.
- Includes a built-in high speed AC3200 WiFi router with Power Boost, Range Boost, and AnyBeam WiFi Beamforming for ultra …

- Features: DOCSIS 3.1, Wi-Fi 5, up to 1 Gbps, 1x 2.5 Gbps + 4x 1 Gbps ports, dual-band, 2,500 sq ft coverage, 32×8 channels.
- Pros: Reliable for Xfinity’s 600–1000 Mbps plans, MU-MIMO for multiple devices, affordable .
- Cons: Wi-Fi 5 limits future-proofing, no tri-band for congestion relief.
- Best For: Mid-tier Xfinity plans with 10–20 devices.
5. NETGEAR Nighthawk CAX30 – Best Budget for Xfinity
- Compatible with major cable internet providers including Xfinity, Spectrum, Cox and more. NOT compatible with Verizon, A…
- Coverage up to 2,000 sq. ft. and 25 concurrent devices with dual-band WiFi 6 (AX2700) speed (up to 2.7Gbps)
- 4 X 1 Gig Ethernet ports (supports port aggregation) and 1 USB 3.0 port for computers, game consoles, streaming players,…

- Features: DOCSIS 3.1, Wi-Fi 6, up to 2.7 Gbps, 4x 1 Gbps ports, dual-band, 2,500 sq ft coverage, 32×8 channels.
- Pros: Budget-friendly, supports Xfinity’s 400–800 Mbps plans, easy setup with Nighthawk app, NETGEAR Armor security.
- Cons: No multi-gig port, limited to 1 Gbps wired speeds.
- Best For: Small households with Xfinity’s 400–800 Mbps plans.
How We Chose the Best Xfinity Modem Router Combos
Criteria for Selecting Top Xfinity Modem Routers
We evaluated devices based on:
- Xfinity Compatibility: Certified for Xfinity plans via Xfinity’s approved device list.
- Technology: DOCSIS 3.1 for Gigabit/Next Gen plans, Wi-Fi 6/7 for speed and efficiency.
- Performance: Multi-gig ports for 1.2–2 Gbps, MU-MIMO for multiple devices, QoS for gaming/streaming, and coverage (2,500–5,000 sq ft).
- Ease of Use: App-based setup (e.g., Nighthawk, SURFboard Central) and Xfinity activation support.
Testing insights from PCMag, CableTV.com, and HighSpeedInternet.com ensured reliability and real-world performance.
Comparison Table of Top Xfinity Modem Routers
Quick Comparison of Xfinity Modem Routers
Model | Price | Max Speed | Wi-Fi Standard | Ports | Best Use |
ARRIS SURFboard G54 | ~$$$ | 10 Gbps | Wi-Fi 7 | 1x 10 Gbps + 4x 1 Gbps | High-speed plans, large homes |
NETGEAR CAX80 | ~$$$ | 6 Gbps | Wi-Fi 6 | 1x 2.5 Gbps + 4x 1 Gbps | Gaming, streaming, 800–1200 Mbps |
ARRIS SURFboard G36 | ~$$$ | 2.5 Gbps | Wi-Fi 6 | 1x 2.5 Gbps + 4x 1 Gbps | Value, Gigabit plans |
Motorola MG8702 | ~$$$ | 1 Gbps | Wi-Fi 5 | 1x 2.5 Gbps + 4x 1 Gbps | Mid-tier plans, 10–20 devices |
NETGEAR CAX30 | ~$$$ | 2.7 Gbps | Wi-Fi 6 | 4x 1 Gbps | Budget, 400–800 Mbps plans |
Benefits of Xfinity Modem Router Combos
Why Invest in an Xfinity Modem Router Combo?
Investing in an Xfinity modem router combo saves $180/year on rentals and supports plans from 400 to 2000 Mbps. Wi-Fi 6/7 delivers low latency for gaming, 4K streaming, and smart homes with 30+ devices. A single device simplifies setup, reduces clutter, and ensures reliable Xfinity activation. Comcast-approved combos guarantee seamless performance, with features like QoS, MU-MIMO, and app management enhancing connectivity.
Customer Reviews and Feedback
What Xfinity Users Say About Modem Routers
- ARRIS G54: Amazon and Best Buy users praise its speed (600+ Mbps on Gigabit plans) and setup ease, but criticize the high cost (~$399).
- NETGEAR CAX80: Gamers highlight low latency and reliability, though some note the price (~$350).
- ARRIS G36: Users love the value (~$200) and performance for 1200 Mbps plans, but coverage (3,000 sq ft) may be limited for large homes.
- Motorola MG8702: Reliable for 600–1000 Mbps plans, but Wi-Fi 5 feels outdated.
- NETGEAR CAX30: Budget users appreciate affordability (~$150), but some report wired speed limits (1 Gbps).
Common concerns: High costs, Wi-Fi range in large homes, and occasional Xfinity activation delays.
Tips for Using Your Xfinity Modem Router
Maximize Your Xfinity Modem Router Performance
- Placement: Position centrally, elevated, and in open spaces for optimal Wi-Fi coverage.
- Activation: Use the Xfinity app or my.xfinity.com to register the device’s MAC address.
- Wired Connections: Connect gaming consoles or PCs via Ethernet for maximum speed.
- Features: Enable QoS for gaming/streaming, set up guest networks, and use parental controls via device apps.
- Maintenance: Update firmware regularly, verify Xfinity compatibility, and use a surge protector.
Conclusion
The best Xfinity modem router combos for 2025 cater to diverse needs: ARRIS SURFboard G54 for high-speed plans and large homes, NETGEAR Nighthawk CAX80 for gaming and streaming, ARRIS SURFboard G36 for value, Motorola MG8702 for mid-tier reliability, and NETGEAR Nighthawk CAX30 for budget users. Match your device to your Xfinity plan (400–2000 Mbps), household size, and usage (gaming, streaming, smart devices). Shop these Xfinity-approved combos on Amazon, NETGEAR, or ARRIS to save on rentals and boost performance in 2025!