ARRIS SBG8300 DOCSIS 3.1 Modem Review

Arris SBG8300 DOCSIS 3.1 WiFi Cable Modem

With the ARRIS SBG8300 you can replace your existing rented modem and save $12 or more a month. It nearly pays for itself within a year. The SBG8300 has a built-in WiFi router that operates at 2350 Mbps with a wired connection. Wireless transmissions depend on the number of devices operating. The distance between the modem and device also matter to your wireless speed.

The ARRIS SBG8300 is compatible with XFINITY, Spectrum, and more cable operators. The main difference between the SBG8300 and all the other ARRIS modems is that it is DOCSIS 3.1 compliant. The modem itself can handle speeds up to 4 Gbps.    

Top Speed1 Gbps
DOCSIS Version3.0 / 3.1
WiFiAC2350 Wave 2
Where To BuyAvailable On EBAY
ARRIS SURFboard SBG8300 3.1 WiFi 5 Cable Modem Quick View


All ARRIS SBG8300 Features

  • Docsis 3.1 Cable Modem, 2 downstream x 2 upstream OFDM channels.
  • Dual-band Concurrent AC2350 wave 2 Wi-Fi with 3×3 on 2. 4 GHz and 4×4 on 5 GHz MIMO antenna configuration
  • Four 1-Gigabit Ethernet ports. Get Gigabit speeds to wired devices like computers, gaming consoles, and smart TVs
  • Add SURFboard skills to your Alexa network for voice management of your Wi-Fi settings
  • Surfboard Manager app for Android​
  • Plug-and-play installation. Use the SURFboard Manager App on your mobile device
  • Use Alexa voice commands via an Amazon Alexa enabled device
  • Default settings for recommended Security and Quality of Service protection supports standard Internet browser software
  • Front panel status LEDs indicate connectivity and simplify troubleshooting.
  • User-friendly online, mobile app, or Amazon Alexa based diagnostics and configuration

Manufacturer Description

Future-proof your network with the SURFboard SBG8300. DOCSIS 3.1 WiFi cable modem, the latest standard offered by cable internet providers. It’s capable of bonding up to 32 downstream and 8 upstream DOCSIS 3.0. Or 2 x 2 OFDM DOCSIS 3.1 channels, providing increased bandwidth for true gigabit-speed capability. It’s perfect for gigabit-speed internet plans. As more cable providers upgrade the services to offer DOCSIS 3.1, your network will be ready with the SBG8300.


SBG8300 ISP Compatibility List

SBG8300 Compatible Cable Operators
All Up To 1 Gbps
Altice (Optimum & Suddenlink)
Atlantic Broadband
Cox Communications
Grande Communications
Sparklight (Cable One / NewWave)
Spectrum (Bright House Networks / Charter / TWC)
WoW! – WideOpenWest
SBG8300 Compatible Cable Operators

Manuals & Guides