ARRIS - SURFboard G20 DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router Combo - Black
Customers are saying
Customers commend the SURFboard G20 for its overall performance, noting faster and more reliable connections. They also appreciate its connectivity, highlighting the easy setup and consistent connection. However, some customers have reported experiencing difficulty during the initial setup process.
Multi-Gigabit Networking
AX1800 WiFi speeds, up to 1Gbps Internet speeds, 1 x 1Gbps Ethernet port
DOCSIS 3.1 cable modem
2 downstream x 2 upstream OFDM DOCSIS 3.1 channels
Save on monthly rental fees
Experience value at its best. The SURFboard G54 can save you up to $180 per year in rental fees. Stop renting and own yours today!
Compatible with major U.S. Cable Internet Providers
Compatible with Cox, Spectrum, Xfinity and other major US cable internet providers
Worry Less
Experience worry-free usage. The G20 is designed by ARRIS and perfected by decades of experience. The product warranty of two years ensures your investment in your home network is protected.
- BrandARRISModel NumberG20Product NameSURFboard G20 DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router ComboColorBlackProduct Height8.85 inchesProduct Length2.36 inches
Reviews
Rating 4.1 out of 5 stars with 54 reviews
- Overall Performance (19)
- Setup (9)
- Speed (7)
- Connectivity (7)
Customer Images
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
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Upgrade your home network with the ARRIS SURFboard G34. It's a DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router combo. Wi-Fi 6 supports smooth 4K video streaming and low latency online gaming. This ARRIS SURFboard cable modem router features four 1-Gigabit Ethernet ports to connect your wired devices, and the compatible SURFboard Central mobile app allows for quick and secure setup. The G34 is best for gig-speed cable internet plans and compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others.

Multi-gigabit speeds for your home network. The SURFboard G36 is a DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router combo. Stream 4K content smoothly, game without interruptions or slowdowns. It features a 2.5 Gbps Ethernt port for multi-gig networking PLUS four 1-Gigabit Ethernet ports to connect all your devices. The SURFboard G36 is compatible with major U.S. cable internet service providers and is best for speed plans up to 2.5 Gbps. The compatible SURFboard Central app simplifies setup and management of your network.
| Pros for ARRIS - SURFboard G20 DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router Combo - Black | |||
|---|---|---|---|
| Overall Performance, Setup, Speed | Speed, Overall Performance, Ease of use, Setup, Connectivity | Overall Performance, Speed, Range | Speed, Ease of use, Setup, Range, Performance |
| Cons for ARRIS - SURFboard G20 DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router Combo - Black | |||
| Connectivity | Heat, Lag | Connectivity, App, Signal Strength | Connectivity, Price |










































































