Check the listing for details. ARRIS S33 SURFboard DOCSIS 3.1 Multi-Gigabit Cable Modem 2.5 Gbps Ethernet A+. Color: White, Condition: Open box. Listed at 150.95 USD. 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 HighlightsDOCSIS 3.1 cable modem best for cable internet speed plans up to 3.5 GbpsCompatible with Cox, Spectrum, Xfinity and other major U.S. cable internet providers32 x 8 DOCSIS 3.0 Modem Channels2 downstream x 2 upstream OFDM DOCSIS 3.1 channelsOne 2.5-Gigabit Ethernet Port and One 1 Gigabit Ethernet PortEasily setup your modem with the SURFboard Central appS33 SURFboard Technical SpecificationsCompatibilityMajor U.S. Cable ProvidersDownload Speed (Internet)Up to 3.5 GbpsDOCSIS3.1Gigabit Ethernet PortOne 2.5 Gb Ethernet port and one 1 Gb Ethernet portWi-FiNoHD Multi-Media StreamingYesHigh-Performance Online GamingYesEnergy-Efficient EthernetYesTelephone PortNone 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 ProvidersAdvanced StreamAltice OptimumAltice SuddenlinkArmstrongAtlantic BroadbandCableOne/SparklightClick CableTVComcast/XfinityCoxGrande CommunicationsNew Wave/SparklightMediacomMidcontinent CommunicationsRCNService ElectricSpectrumWave BroadbandWOWZito MediaMany Others ARRIS S33 SpecsInterfacePorts1 x 2.5G Ethernet RJ451 x Gigabit Ethernet RJ451 x Coax Cable ConnectorDOCSIS Cable Modem DataDOCSIS SupportDOCSIS 3.1Channels32 x Downstream Channels8 x Upstream Channels2 x Downstream Channels (OFDM)2 x Upstream Channels (OFDM)Packaging InfoPackage Weight1.395 lbBox Dimensions (LxWxH)10.9 x 7.3 x 2.4" Modem, power supply and instructions are in sealed protective packaging and will arrive professionally repackaged in a plain box to ensure safe transport. Kit contains all accessories required for a new installation.