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SURFboard® 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.

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

2 Year Limited Warranty

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For warranty purposes, register your device by clicking here.

To see the latest SURFboard Home Networking Products click here

To see the latest SURFboard Home Networking Products click here

For assistance, click here
to launch ANA (ARRIS's Networking Assistant)

Operator Support Site click here.

Manuals & Documentation
Drivers & Firmware
Mobile App