Open box. Did not work for my network solution and never returned to Best Buy. I don't have the original box but the router comes with the power cable and an ethernet cable. Original description below:The ARRIS SURFboard S33 is a DOCSIS 3.1 Cable Modem that delivers the fastest speeds and the latest technology. With a 2.5 Gigabit and a 1 Gigabit Ethernet port, the S33 enables a multi-gig experience for things like online gaming, 4K video streaming and more. It’s best for cable internet speed plans up to 2.5 Gbps and setup is simple with an easy-to-use app. It's compatible with any Wi-Fi router and saves you money on monthly rental fees. Upgrade your home network with an SURFboard S33 DOCSIS 3.1 Cable Modem.

• 2.5 Gb Port for Multi-Gigabit Networking

  This modem features a 2.5 Gigabit Ethernet port plus a second 1-Gigabit Ethernet port enabling support for multi-gigabit networking. Best for cable internet speed plans up to 1.2 Gbps.

• DOCSIS 3.1 technology

  DOCSIS 3.1 technology is the latest technology offered by cable internet providers. It's 10x faster than DOCSIS 3.0, provides enhanced security features, reduces lag while gaming and supports Gigabit speeds.

• Works with any Wi-Fi Router

  Using one of the Ethernet ports on the S33, connect to any Wi-Fi Router to share the high-speed internet connection around your home.

• Save on monthly rental fees

  Experience value at its best. The SURFboard S33 cable modem can save you up to $168 per year in rental fees. Stop renting and own yours today!

• Compatible with major U.S. Cable Internet Providers

  Approved for use with Cox, Spectrum, Xfinity and many others.

• Support When You Need It

  ARRIS has a long history - over 70 years - in the home networking category. With over 260 million networking devices sold worldwide, we have dedicated customer support and a 2-year warranty to ensure your investment is protected.

What's IncludedS33 Cable Modem, Power Supply, Ethernet Cable

• Key SpecsInternet Service Provider (ISP) CompatibilityCox Communications, Spectrum, XFINITY from Comcast, Most cable providersDOCSIS Certification3.1Downstream Data Speed5000 megabits per secondUpstream Data Speed2000 megabits per secondChannel Bonding32 x 8Number of LAN Ports2USB PortsNone
• GeneralBrandARRISModel NumberS33Product NameSURFboard S33 32 x 8 DOCSIS 3.1 Multi-Gig Cable Modem with 2.5 Gbps Ethernet PortColorWhite
• NetworkQuality Of Service (QoS) Traffic PrioritizationNo
• Certifications Listings & ApprovalsDOCSIS CompliantYes
• FeaturesAuto ConnectYes
• SpeedWired Speed2500 megabits per secondGigabit Ethernet SpeedYes
• CompatibilitySystem RequirementsCable Internet Service
• DimensionsProduct Height5.1 inchesProduct Length4.7 inchesProduct Width1.8 inchesProduct Weight0.9 pounds
• WarrantyWarranty - Parts2 yearsWarranty - Labor2 years
• OtherModem TypeHigh