S33
SURFboard® DOCSIS® 3.1 Cable Modem
With a 2.5 Gbps Ethernet port plus an additional 1 Gbps Ethernet port, the SURFboard S33 DOCSIS 3.1 Cable Modem is the perfect solution for multi-Gigabit home networking!
Features
DOCSIS 3.1 cable modem best for cable internet speed plans up to 2.5 Gbps
One 2.5 Gigabit Ethernet Port and One 1 Gigabit Ethernet Port
2 downstream x 2 upstream OFDM DOCSIS 3.1 channels
32 downstream x 8 upstream DOCSIS 3.0 bonded channels
Compatible with Cox, Spectrum, Xfinity and other major US cable internet providers
Easily setup your modem with the SURFboard Central app
2 Year Limited Warranty
Technical Specs
| Best for Cable Internet Speed Plans | Up to 2.5 Gbps |
| DOCSIS Technology | DOCSIS 3.1 |
| Gigabit Ethernet Ports | One 2.5 GB and one 1 GB Ethernet Port |
| Compatibility | Major US Cable Providers |
| Built-in Wi-Fi | No |
| Digital Voice Service Capability | No |
| Best for Cable Internet Speed Plans | Up to 400 Mbps |
| Best for Cable Internet Speed Plans | Up to 800 Mbps |
| Best for Cable Internet Speed Plans | Up to 1 Gbps |
Compatible Service Providers
- Advanced Stream
- Altice Optimum
- Altice Suddenlink
- Armstrong
- Atlantic Broadband
- CableOne/Sparklight
- Click CableTV
- Comcast/Xfinity
- Cox
- Grande Communications
- New Wave/Sparklight
- Mediacom
- RCN
- Service Electric
- Spectrum
- Wave Broadband
- WOW
- Zito Media
Don't see your provider above?
Select your provider in the list below and view all products compatible with it.
Cable Modem Comparison
| Cable Modems | Best for Cable Internet Speed Plans | DOCSIS Technology | Gigabit Ethernet Ports | Compatibility | Built-in Wi-Fi | Digital Voice Service Capability | Wired Speeds |
|---|---|---|---|---|---|---|---|
| S33 | Up to 2.5 Gbps | DOCSIS 3.1 | One 2.5 GB and one 1 GB Ethernet Port | Major US Cable Providers | No | No | N/A |
| SB8200 | Up to 1 Gbps | DOCSIS 3.1 | Two 1 GB Ethernet Ports | Major US Cable Providers | No | No | Up to 2 Gbps |
| SB6190 | Up to 800 Mbps | DOCSIS 3.0 | One 1 GB Ethernet Port | Major US Cable Providers | No | No | N/A |
| SB6183 | Up to 400 Mbps | DOCSIS 3.0 | One 1 GB Ethernet Port | Major US Cable Providers | No | No | N/A |
Add SURFboard mAX Whole Home Mesh Wi-FI
Now you can bring those Wi-Fi enabled devices upstairs, downstairs, in the back yard, or out on the deck. The new SURFboard mAX Mesh Wi-Fi 6 System unleashes your home wireless network like never before. After all, what good is Wi-Fi without the freedom?
