SBG8300
SURFboard® DOCSIS® 3.1 Gigabit Cable Modem & Wi-Fi® Router
With download speeds up to 4 Gbps and Wi-Fi speeds up to 2350 Mbps, the SBG8300 is the perfect solution for Gigabit speed internet plans!
Features
DOCSIS 3.1 cable modem & Wi-Fi 5 router best for cable internet speed plans up to 1 Gbps
Compatible with Cox, Spectrum, Xfinity and other major U.S. cable internet providers
32 downstream x 8 upstream DOCSIS 3.0 channels or 2 downstream x 2 upstream OFDM DOCSIS 3.1 channels
Dual-concurrent AC2350 Wi-Fi. Four 1 Gigabit Ethernet Ports
Easily setup, manage and customize your modem with the SURFboard Central App
2 Year Limited Warranty
Technical Specs
Wired Speeds | Up to 4 Gbps |
Best for Cable Internet Speed Plans | Up to 1 Gbps |
DOCSIS Technology | DOCSIS 3.1 |
Gigabit Ethernet Ports | Four 1 Gb Ethernet Ports |
Compatibility | Major US Cable Providers |
Built-in Wi-Fi | AC2350 Wi-Fi 5 |
Digital Voice Service Capability | No |

Compatible Service Providers
- Altice Optimum
- Altice Suddenlink
- Atlantic Broadband
- CableOne/Sparklight
- Comcast/Xfinity
- Cox
- Grande Communications
- Mediacom
- Midcontinent Communications
- RCN
- Service Electric
- Spectrum
- Wave Broadband
- WOW
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Wi-Fi Cable Modems Specification Comparison
Wi-Fi Cable Modems | Wired Speeds | Best for Cable Internet Speed Plans | DOCSIS Technology | Gigabit Ethernet Ports | Compatibility | Built-in Wi-Fi | Digital Voice Service Capability |
---|---|---|---|---|---|---|---|
G36 | Up to 6.5 Gbps | Up to 2.5 Gbps | DOCSIS 3.1 | One 2.5 GB and four 1 GB Ethernet Ports | Major US Cable Providers | AX3000 Wi-Fi 6 | No |
G34 | Up to 4 Gbps | Up to 1 Gbps | DOCSIS 3.1 | Four 1 Gb Ethernet Ports | Major US Cable Providers | AX3000 Wi-Fi 6 | No |
SBG8300 | Up to 4 Gbps | Up to 1 Gbps | DOCSIS 3.1 | Four 1 Gb Ethernet Ports | Major US Cable Providers | AC2350 Wi-Fi 5 | No |
SBG7600AC2 | Up to 1 Gbps | Up to 800 Mbps | DOCSIS 3.0 | Four 1 GB Ethernet Ports | Major US Cable Providers | AC2350 Wi-Fi 5 | No |
SBG7400AC2 | Up to 1 Gbps | Up to 800 Mbps | DOCSIS 3.0 | Four 1 GB Ethernet Ports | Major US Cable Providers | AC2350 Wi-Fi 5 | No |
SBG6950AC2 | Up to 686 Mbps | Up to 400 Mbps | DOCSIS 3.0 | Four 1 GB Ethernet Ports | Major US Cable Providers | AC1900 Wi-Fi 5 | No |
SBG10 | Up to 686 Mbps | Up to 400 Mbps | DOCSIS 3.0 | Two 1 GB Ethernet Ports | Major US Cable Providers | AC1600 Wi-Fi 5 | No |