10 Best Router Modem Combos 2025 in the United States

The NETGEAR Nighthawk Modem Router Combo (CAX30) is a strong contender in the router-modem-combo category, particularly for households and small businesses needing reliable and fast internet. With DOCSIS 3.1 compatibility, it supports internet plans up to 2Gbps, making it a great choice for heavy users such as gamers and streaming enthusiasts. The Wi-Fi 6 (AX2700) technology allows for fast wireless speeds up to 2.7Gbps, and it covers an area of up to 2,500 square feet, accommodating up to 25 devices simultaneously, which is impressive for larger homes or busy networks.

Strengths include its four Gigabit Ethernet ports, which allow for multiple wired connections and support port aggregation for increased bandwidth. The inclusion of a USB 3.0 port is a nice touch, enabling easy access to shared storage or other devices. Security features are robust, thanks to NETGEAR Armor for real-time protection against online threats, and automatic firmware updates ensure that the system stays secure.

However, it’s worth noting some drawbacks. While it is compatible with major cable providers like Xfinity and Spectrum, it does not support DSL services or bundled voice services, which could limit options for some users. Additionally, while the range is adequate for most residential needs, if you have a particularly large home or numerous obstacles (like walls), there may be areas with weaker signal strength. The price, while justifiable given the features, might be a bit high for those with basic internet needs who do not require such advanced performance. The Nighthawk CAX30 is excellent for cable internet users wanting high speeds and a solid security infrastructure, but it may not be necessary for users with basic internet needs or those using non-cable services.

The ARRIS SBG8300 Cable Modem Router Combo is a robust option for users seeking high-speed internet and reliable connectivity. It supports the latest DOCSIS 3.1 technology, which is significantly faster than its predecessor, DOCSIS 3.0, making it well-suited for gigabit internet plans. The device is compatible with major U.S. cable providers like Comcast Xfinity, Cox, and Spectrum, ensuring broad ISP compatibility.

The built-in AC2350 Wi-Fi standard offers strong wireless performance, ideal for streaming and downloading throughout your home. Additionally, the modem includes four OFDM channels which enhance speed and efficiency, particularly in high-traffic scenarios. With four Ethernet ports, it provides ample connectivity for wired devices such as PCs and smart TVs. The setup process is user-friendly, thanks to the SURFboard Central App, which also offers real-time network monitoring and parental controls.

However, a potential drawback is its size, which might be bulkier compared to other models. Some users may also find the price point a bit high, but this could be offset by the savings on rental fees from your ISP. Security features are robust, providing peace of mind for protecting your network. This modem-router combo is best for households that demand high-speed internet for activities like gaming, streaming, and connecting multiple devices simultaneously.

The NETGEAR Nighthawk Modem Router Combo C7000 is a solid choice for those looking for a reliable device to meet their cable internet needs, especially if you're subscribed to providers like Xfinity, Spectrum, or Cox. It supports internet plans up to 800 Mbps, making it suitable for medium to high-speed internet usage, which is great for activities like streaming and gaming. With Wi-Fi 5 AC1900 speed, you can expect decent coverage of up to 1,800 sq. ft., comfortably connecting about 30 devices simultaneously.

One of its strengths is the convenience of combining a modem and router in one unit, potentially saving you money on equipment rental fees, which can add up over time. The device also comes with four gigabit Ethernet ports, allowing multiple wired connections for devices like gaming consoles and PCs, plus a USB port for additional uses.

Security is another highlight with built-in WPA/WPA2 protocols and NETGEAR Armor software, which provides an extra layer of protection for your network. The Nighthawk app simplifies the setup and management process, making it user-friendly even for those less experienced with technology. However, it’s important to note some drawbacks. The C7000 is not compatible with certain ISPs like Verizon or AT&T, limiting its use primarily to cable internet users. Additionally, while it does provide good coverage, larger homes or those with many walls may experience some dead spots due to the limitations of Wi-Fi 5 technology compared to the newer standards. Lastly, the 30-day trial of NETGEAR Armor means you'll need to decide if you want to continue the service after that period incurs an additional cost.

If you’re in the market for an efficient modem-router combo for a cable internet plan, the NETGEAR Nighthawk C7000 is a solid option, especially for gaming and streaming, provided you’re with a compatible cable provider.