Designed to easily deploy Gigabit+ data services. 

DOCSIS 3.1 Ultra Fast Cable Modem

Your Gigabit home network will be ready with the SURFboard S33. A DOCSIS 3.1 cable modem, capable of download speeds up to 3.5 Gbps the S33 is the fastest modem in the SURFboard lineup, Delivering the fastest speeds and the latest technology without the premium rental cost. 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!

S33 DOCSIS 3.1 Cable Modem Highlights

DOCSIS 3.1 cable modem best for cable internet speed plans up to 3.5 Gbps

Compatible with Cox, Spectrum, Xfinity and other major U.S. cable internet providers

32 x 8 DOCSIS 3.0 Modem Channels

2 downstream x 2 upstream OFDM DOCSIS 3.1 channels

One 2.5-Gigabit Ethernet Port and One 1 Gigabit Ethernet Port

Easily setup your modem with the SURFboard Central app

S33 SURFboard Technical Specifications

Compatibility Major U.S. Cable Providers

Download Speed (Internet) Up to 3.5 Gbps

DOCSIS 3.1

Gigabit Ethernet Port One 2.5 Gb Ethernet port and one 1 Gb Ethernet port

Wi-Fi No

HD Multi-Media Streaming Yes

High-Performance Online Gaming Yes

Energy-Efficient Ethernet Yes

Telephone Port None

ARRIS S33 Overview

Enjoy multi-Gig internet connections while saving money on equipment rental fees with the SURFboard S33 2.5G DOCSIS 3.1 Cable Modem from ARRIS. Featuring 32x8 DOCSIS 3.1 technology, this modem is designed to support up to 2.5G cable internet plans from most major U.S. service providers, including Cox, Comcast Xfinity, and Charter Spectrum. Connect multi-Gig compatible devices such as routers to the 2.5G Ethernet port for smooth video streaming, online gaming, and file transfer experiences. There is also a one Gigabit port available for other wired network equipment. Simply connect your cable service's coax cable to the SURFboard S33 and use the ARRIS SURFboard Central App to configure your network.

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

Midcontinent Communications

RCN

Service Electric

Spectrum

Wave Broadband

WOW

Zito Media

Many Others

ARRIS S33 Specs

Interface

Ports 1 x 2.5G Ethernet RJ45

1 x Gigabit Ethernet RJ45

1 x Coax Cable Connector

DOCSIS Cable Modem Data

DOCSIS Support DOCSIS 3.1

Channels 32 x Downstream Channels

8 x Upstream Channels

2 x Downstream Channels (OFDM)

2 x Upstream Channels (OFDM)

Packaging Info

Package Weight 1.395 lb

Box Dimensions (LxWxH) 10.9 x 7.3 x 2.4"