description ARRIS SURFboard S33 Overview
The Arris Surfboard S33 is a broadband gateway device supporting DOCSIS 3.1 technology, delivering speeds up to 1.2 Gbps downstream and 300 Mbps upstream for residential internet connections utilizing compatible service providers’ networks.
help ARRIS SURFboard S33 FAQ
What is the ARRIS SURFboard S33's Ethernet connection?
The S33 includes a 2.5Gbps Ethernet port for multi-gig service and a separate gigabit port. The connected router must also support the desired Ethernet speed to use a plan above 1 Gbps.
Does the ARRIS S33 use DOCSIS 3.1?
Yes. The S33 is a DOCSIS 3.1 cable modem designed for high-speed residential cable internet. It does not include Wi-Fi, so it must be paired with a separate router.
Which internet providers can activate an S33?
The S33 is commonly listed for compatible cable networks such as Xfinity, Spectrum, and Cox, but approval varies by service address and plan. Customers should check the provider's current modem compatibility list before purchasing.
Is the S33 a modem-router combo?
No. The S33 is a standalone cable modem, not a wireless gateway. You need a separate Wi-Fi router or mesh system for wireless devices, firewall features, and home-network coverage.
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