Spectrum Charter Internet Service Plans and Compatible Modems

Spectrum is a leading internet service provider in the United States that offers a variety of packages to cater to various customer needs. The performance of your internet largely depends on the kind of modem you use, thus choosing a compatible modem is essential. Here are the Spectrum internet service plans as of 2021, along with a list of compatible modems that would work best with each of these packages.

Spectrum Internet Service Plans

Before we delve into the best modems for each plan, let’s first look at the different packages offered by Spectrum. These plans cater to a broad range of needs, from basic browsing to demanding tasks like online gaming and streaming in 4K resolution.

Spectrum Standard Internet

This plan is ideal for users who need reliable, high-speed internet for general use such as browsing, streaming, and connecting multiple devices.

Spectrum Ultra

An upgrade from the Standard Internet, the Ultra package provides higher speeds suitable for households with multiple devices connected simultaneously, engaging in more data-heavy activities such as streaming in 4K and online gaming.

Spectrum Gig

As the top-tier plan, the Gig package offers the highest speeds, designed to support multiple devices undertaking high-bandwidth activities simultaneously without any performance degradation.

Spectrum-Compatible Modems
Did you know that you can save money on your Spectrum Charter internet bill by simply owning your router and modem? Our customers save an average of $120 per year just by owning their modem instead of renting. Browse our selection of High-Speed wireless routers and Spectrum Charter compatible modems right here to get started.

    ARRIS SB8200 SURFboard DOCSIS 3.1 High Speed Cable Modem

    In stock

    • Fast internet: DOCSIS 3.1 & 32x8 channel bonding for speeds up to 10 Gbps.
    • Advanced technology: Latest and most advanced cable modem tech for fast and stable internet.
    • Multiple connections: 2 Gigabit Ethernet ports for connecting multiple devices.
    • Safe and secure: Advanced security features for network and personal information protection.
    • 90-Day Return Policy & USA-Based Support, Only from

    Arris SBG6700AC DOCSIS 3.0 WiFi Cable Modem

    In stock

    • Dual-Band Wireless Connectivity: The Arris SBG6700AC provides high-speed WiFi with dual-band connectivity (2.4GHz and 5GHz) for efficient internet browsing and online gaming.
    • DOCSIS 3.0 Technology: This cable modem is equipped with DOCSIS 3.0 technology, providing high-speed internet with download speeds up to 343 Mbps and upload speeds up to 131 Mbps.
    • Gigabit Ethernet Port: The SBG6700AC features a Gigabit Ethernet port, providing fast, wired connections for gaming consoles, laptops, or other devices.
    • Easy Set-up and Management: The modem comes with an easy-to-use setup guide and a user-friendly interface that allows you to manage and monitor your network with ease.

    Arris TM1602A: High-Speed DOCSIS 3.0 Cable Modem with Advanced VoIP Support

    In stock

    • High-Speed Performance: The Arris TM1602A DOCSIS 3.0 Telephony Cable Modem offers ultra-high-speed data access up to 640 Mbps, ensuring fast and reliable internet connectivity.
    • VoIP Support: Features two lines of primary line Voice over IP (VoIP), perfect for users with landline telephones, security systems, or other phone-dependent devices.
    • Advanced Features: Loaded with features like 16x4 channel bonding, DOCSIS 3.0 technology compatibility, user-friendly setup interface, and advanced security features for enhanced network protection.
    • Broad Compatibility: This modem is compatible with major cable internet service providers such as Optimum Cable, Cable One, Charter, Comcast Xfinity, Cox, and Charter Spectrum.

    Arris SB6183 DOCSIS 3.0 Cable Modem – Black

    Out of stock

    • The Arris SB6183 DOCSIS 3.0 Cable Modem supports internet speeds up to 686 Mbps, making it ideal for high-speed internet plans.
    • The modem has 16 downstream and 4 upstream channels, providing fast and stable connections.
    • The SB6183 is compatible with a wide range of cable providers, including Xfinity, Cox, and Charter.
    • It features a compact, lightweight design, making it easy to install and taking up minimal space in the home.

    Arris TG2472G Touchstone Wireless Cable Modem

    In stock

    • Multi-Processor Technology with a 1.2GHz Intel Atom Core Application Processor
    • DOCSIS 3.0 Telephony Cable Modem with Integrated 4-Port WiFi Router
    • 3x3 Integrated Dual Band Concurrent 2.4GHz 802.11n and 5GHz 802.11ac High Power Radios
    • Compatible with MediaCom, Buckeye, Spectrum, and Other US Cable Providers!
    • Firmware is Not Compatible with Cox or Comcast Xfinity

    Arris TG1672G Touchstone WiFi Phone Cable Modem

    Out of stock

    • Compatible with Time Warner, Spectrum and more!
    • DOCSIS 3.0 Dual Band Concurrent Wireless Telephony Gateway with MoCA
    • 16x4 Channel Bonding, Full Spectrum Capture Receivers
    • MoCA 1.1 for Home Video And Data distribution over Coax
    • Firmware is Not Compatible with Optimum Cable

    Linksys CM3008 DOCSIS 3.0 Cable Modem

    In stock

    • The Linksys CM3008 is a DOCSIS 3.0 cable modem that is compatible with most cable internet service providers.
    • It has 8 downstream channels and 4 upstream channels, which provide download speeds of up to 343Mbps and upload speeds of up to 131Mbps
    • It has a built-in Gigabit Ethernet port, which can be used to connect to a router or other network device
    • The CM3008 is also backward compatible with older DOCSIS versions, which can help ensure its compatibility with older cable network infrastructure.

    Arris SBG6900-AC AC1900 Wireless Cable Modem

    In stock

    • 16x4 Channel Bonding Supports Download Speeds Up to 686 Mbps
    • Compatible with Comcast, Time Warner, Spectrum, Charter, Brighthouse, Mediacom & Cox
    • DOCSIS 3.0 Cable Modem with Dual-Band AC1900 Wireless Router Built-in
    • Includes Support for IPv4 & IPv6 Technology
    • 4 Gigabit Ethernet Ports + 1 USB 2.0 Host Port + Coaxial Port

    Here is a comparison table of these packages:

    Service Plan Maximum Speeds (Download/Upload) Best Fit for Ideal Modem
    Standard Internet Up to 200 Mbps / 10 Mbps Browsing, streaming, and connecting multiple devices Motorola MB7621
    Ultra Up to 400 Mbps / 20 Mbps Streaming in 4K, online gaming, multiple devices Netgear CM600
    Gig Up to 940 Mbps / 35 Mbps High-bandwidth activities, multiple devices, business usage Arris SB8200

    Choosing a Compatible Modem

    Your modem plays a crucial role in your internet performance. It’s essential to choose a modem that is compatible with your service plan to get the most out of your Spectrum Internet service.

    Motorola MB7621 – Ideal for Standard Internet Plan

    The Motorola MB7621 is a perfect choice for Spectrum’s Standard Internet plan. This modem can handle speeds of up to 650 Mbps, making it an excellent fit for the 200 Mbps maximum speed of this plan. It’s a reliable and durable modem that promises to deliver consistent speeds.

    Netgear CM600 – Best Fit for Ultra Plan

    If you’ve chosen Spectrum’s Ultra plan, the Netgear CM600 is a good pick. It can handle speeds of up to 960 Mbps, which comfortably accommodates the maximum 400 Mbps speed offered in this package. Its robust build and high-performance capabilities make it a popular choice among users.

    Arris SB8200 – Top Pick for Gig Plan

    For those opting for Spectrum’s Gig plan, the Arris SB8200 is a top choice. This DOCSIS 3.1 modem can support speeds up to 2 Gbps, far exceeding the top speeds of the Gig plan. Its 2 Ethernet ports allow for more wired connections, a useful feature for business usage or gaming.

    Remember, it’s crucial to ensure the modem is approved by Spectrum before purchasing. You can check the compatibility on the Spectrum’s website or contact their customer service for more information.


    Choosing the right modem for your Spectrum plan not only guarantees optimal performance but also saves costs associated with renting a modem from your ISP. Make sure the modem you choose is compatible with your chosen Spectrum internet service plan for the best internet experience.

    Recommended for Spectrum Charter

      ARRIS SB8200 SURFboard DOCSIS 3.1 High Speed Cable Modem

      In stock

      • Fast internet: DOCSIS 3.1 & 32×8 channel bonding for speeds up to 10 Gbps.
      • Advanced technology: Latest and most advanced cable modem tech for fast and stable internet.
      • Multiple connections: 2 Gigabit Ethernet ports for connecting multiple devices.
      • Safe and secure: Advanced security features for network and personal information protection.
      • 90-Day Return Policy & USA-Based Support, Only from

      Motorola MB7621 24×8 DOCSIS 3.0 Cable Modem

      In stock

      • High-Speed Performance: Featuring 24×8 DOCSIS 3.0 technology, the MB7621 allows for download speeds up to 1,000 Mbps and upload speeds up to 246 Mbps, providing fast and reliable internet connectivity.
      • Cost-Efficient: Typically saves over $120 per year in cable modem rental fees, certified by Comcast XFINITY® and other leading cable service providers.
      • Versatile Connectivity: With its 10/100/1000 Gigabit Ethernet (GigE) LAN port, this modem can connect to various devices including routers, HDTVs, game stations, or other Ethernet-capable devices.
      • Rugged Design: Designed with advanced surge and lightning protection, and a space-saving unit that minimizes shelf space and improves cooling, ensuring a dependable and long-lasting performance.

      Netgear CM600 DOCSIS 3.0 24×8 Cable Modem

      In stock

      • Compatible with Major US Providers Including Cox, Comcast, Spectrum & Sparklight
      • DOCSIS 3.0 Cable Modem Only – WiFi Router Sold Separately
      • Save up to $168 per year by Buying Your Modem Instead of Renting
      • 24×8 Channel Bonding Supports Wired Download Speeds of up to 960 Mbps
      • 1 Gigabit Ethernet Port + 1 Coaxial Port + Power Supply Port

      Frequently Asked Questions About Spectrum Internet Service Plans and Compatible Modems

      1. Can I use any modem with Spectrum internet service?

      No, not all modems are compatible with Spectrum’s internet service. Spectrum has a list of approved modems that are known to work well with their service. Always check this list or contact Spectrum’s customer service before purchasing a modem.

      2. Can I rent a modem from Spectrum?

      Yes, Spectrum offers modem rentals to its customers. However, buying your own approved modem could save you money in the long run, as rental fees can add up over time.

      3. Are the modems mentioned suitable for all locations?

      The modems mentioned are suitable for all locations where Spectrum’s service is available. However, the internet speeds you experience may vary based on factors such as network congestion and location.

      4. What happens if my modem is not compatible with Spectrum’s service?

      If your modem is not compatible with Spectrum’s service, you may experience slow internet speeds, frequent disconnections, or you may not be able to connect to the internet at all.

      5. Do I need a separate router if I have a modem?

      Yes, you will need a separate router to create a Wi-Fi network in your home. Some modems come with a built-in router, known as a gateway. If your modem does not have a built-in router, you will need to purchase a separate one.

      6. Will Spectrum help me set up my own modem?

      Yes, Spectrum offers support for setting up approved modems. You can follow the self-installation guide provided by Spectrum or call their customer service for assistance.

      7. Can I upgrade my Spectrum internet service plan?

      Yes, you can upgrade your Spectrum internet service plan at any time. Remember to check if your current modem can handle the speeds of the upgraded plan. If not, you might need to purchase a new one.

      8. How do I know which Spectrum internet service plan is best for me?

      Choosing the best plan depends on your internet needs. If you just need to browse the web and stream content, the Standard Internet plan might be sufficient. If you have multiple devices or engage in data-heavy activities like gaming or streaming in 4K, you might want to consider the Ultra or Gig plans.

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