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10 Best Modems 2025 in the United States

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Our Top Picks

#1

Winner

NETGEAR Nighthawk Modem Router Combo (CAX30) DOCSIS 3.1 Cable Modem and WiFi 6 Router - AX2700 2.7 Gbps - Compatible with Xfinity, Spectrum, Cox, and More - Gigabit Wireless Internet

Rating
10.0
Chosen by1,462
Speed
Built-in Router

Most important from
472 reviews

Speed
Eliminating rental fees and gaining control over WiFi settings has been a game-changer, with speeds consistently reaching between 880 and 900 Mbps.
Built-in Router
The combination of modem and router in one device saves space and simplifies the setup process.

The NETGEAR Nighthawk Modem Router Combo (CAX30) is a versatile device that combines a high-speed DOCSIS 3.1 cable modem with a WiFi 6 router, providing speeds up to 2.7 Gbps. It is compatible with major cable providers like Xfinity, Spectrum, and Cox but not with DSL, fiber providers, or services like Verizon and AT&T. This makes it suitable for users with cable internet plans up to 2Gbps. The device covers up to 2,000 sq. ft. and supports up to 25 devices simultaneously, making it a strong choice for medium to large homes.

The 4 Ethernet ports (with port aggregation) and 1 USB 3.0 port provide ample connectivity options for wired devices like gaming consoles and computers. Its dual-band WiFi 6 technology offers improved speed and efficiency, especially in environments with multiple connected devices. The inclusion of NETGEAR Armor adds a layer of security against cyber threats, although this comes as a 30-day trial. Setup and management are simplified with the Nighthawk app.

The product can save you money by eliminating rental fees for separate modems and routers, but it may not be ideal for those who need support for DSL or fiber services. Given its robust feature set and ease of use, it's an excellent option for home users and small businesses looking for a reliable and secure modem-router combo.

Rating
10.0
Chosen by1,462
Speed
Built-in Router

Most important from
472 reviews

Speed
Eliminating rental fees and gaining control over WiFi settings has been a game-changer, with speeds consistently reaching between 880 and 900 Mbps.
Built-in Router
The combination of modem and router in one device saves space and simplifies the setup process.
#2

ARRIS (SB8200) - Cable Modem - Fast DOCSIS 3.1 32x8 Gigabit Cable Modem , Approved for Comcast Xfinity, Cox, Charter Spectrum, & more | 1 Gbps Max Internet Speed, 4 OFDM Channels - (No Built-in Wifi)

Rating
10.0
Speed
Built-in Router

Most important from
19713 reviews

Speed
The modem delivers a significant speed boost, quadrupling internet speeds when replacing older models.
Built-in Router
Pairing the modem with a reliable router ensures flawless performance and stable internet connectivity.

The ARRIS SB8200 Cable Modem is a powerful device designed for users who need fast internet speeds and reliable connectivity. Its use of DOCSIS 3.1 technology means it can offer speeds up to 10 times faster than the older DOCSIS 3.0 standard, making it ideal for heavy internet use, such as streaming HD multimedia and online gaming. The modem is compatible with major U.S. providers like Comcast Xfinity, Cox, and Spectrum, ensuring broad usability.

With approval for speed plans up to 1 Gbps, the modem is well-suited to handle high-speed internet packages. It features two 1-Gigabit Ethernet ports, which allow for the connection of a Wi-Fi router or other wired devices, providing flexibility in setting up home networks. However, it's important to note that the ARRIS SB8200 does not include a built-in router, so you'll need to have or purchase a separate router for wireless connectivity.

Setting up the modem is straightforward with the SURFboard Central App, and support is available through live chat and phone. One of the selling points is the potential cost-saving benefit, as owning the modem can reduce ongoing rental fees from your ISP. On the downside, the modem lacks telephone ports, which might be a limitation for those who need this feature for their home phone service. Despite being released in 2017, the SB8200 remains a popular choice in its category, with positive reviews highlighting its performance and reliability.

Rating
10.0
Speed
Built-in Router

Most important from
19713 reviews

Speed
The modem delivers a significant speed boost, quadrupling internet speeds when replacing older models.
Built-in Router
Pairing the modem with a reliable router ensures flawless performance and stable internet connectivity.
#3

NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000-1AZNAS) – Approved for Today’s Fastest Speeds - Works With all Cable Providers, Incl. Xfinity, Spectrum, Cox - Cable Plans up to 2.5Gbps

Rating
9.9
Compatibility
DOCSIS Standard
Speed

Most important from
2714 reviews

Compatibility
Works seamlessly with major cable providers such as Xfinity, Spectrum, and Cox, with quick and hassle-free activation.
DOCSIS Standard
DOCSIS 3.1 mid/high-split technology enhances upstream and downstream performance, ideal for gamers, streamers, and remote workers.
Speed
Supports ultra-fast internet plans up to 2.5Gbps, delivering consistently reliable speeds even during peak hours.
Built-in Router
Requires a separate router for WiFi, which suits users who prefer dedicated devices for wireless connectivity.

The NETGEAR Nighthawk CM3000-1AZNAS is an excellent choice for those seeking a modem that supports very fast internet plans, particularly if your provider offers speeds up to 2.5Gbps. It supports the latest DOCSIS 3.1 standard with mid/high-split technology, enabling it to handle the fastest cable internet connections available today from major providers like Xfinity, Spectrum, and Cox.

This modem delivers 2.5Gbps download and up to 1Gbps upload speeds, making it well-suited for heavy internet users who stream, game, or work remotely. It features three Ethernet ports, including a 2.5 Gigabit port for direct connection to a high-speed router, providing blazing-fast performance, or allows link aggregation with two Gigabit ports to achieve speeds up to 2Gbps. However, it lacks a built-in WiFi router, so a separate router is necessary for wireless connectivity.

Designed exclusively for use in the US, this modem can help save money on rental fees from your internet provider. If you want to future-proof your home network and maximize very fast cable internet plans without extra features like WiFi, this modem represents a strong and practical option.

Rating
9.9
Compatibility
DOCSIS Standard
Speed

Most important from
2714 reviews

Compatibility
Works seamlessly with major cable providers such as Xfinity, Spectrum, and Cox, with quick and hassle-free activation.
DOCSIS Standard
DOCSIS 3.1 mid/high-split technology enhances upstream and downstream performance, ideal for gamers, streamers, and remote workers.
Speed
Supports ultra-fast internet plans up to 2.5Gbps, delivering consistently reliable speeds even during peak hours.
Built-in Router
Requires a separate router for WiFi, which suits users who prefer dedicated devices for wireless connectivity.

Buying Guide for the Best Modems

Choosing the right modem is crucial for ensuring a stable and fast internet connection. A modem is a device that connects your home network to your Internet Service Provider (ISP). When selecting a modem, it's important to consider several key specifications to ensure it meets your needs and provides the best performance for your internet usage. Here are the key specs you should consider and how to navigate them.
CompatibilityCompatibility refers to whether the modem works with your Internet Service Provider (ISP). This is important because not all modems are compatible with all ISPs. To ensure compatibility, check with your ISP for a list of approved modems. If a modem is not on the list, it may not work properly with your service. Always start by confirming that the modem you are considering is supported by your ISP.
DOCSIS StandardDOCSIS (Data Over Cable Service Interface Specification) is a standard used to provide internet access via a cable modem. The most common standards are DOCSIS 3.0 and DOCSIS 3.1. DOCSIS 3.0 is suitable for most users and supports speeds up to 1 Gbps, which is sufficient for typical home use. DOCSIS 3.1 is the latest standard and supports speeds up to 10 Gbps, making it ideal for future-proofing and for users with very high-speed internet plans. Choose DOCSIS 3.0 if you have a standard internet plan, and DOCSIS 3.1 if you have a high-speed plan or want to be prepared for future upgrades.
SpeedThe speed of a modem is measured in megabits per second (Mbps) or gigabits per second (Gbps). This spec is important because it determines how fast your internet connection can be. Modems are often rated for maximum download and upload speeds. For basic internet usage like browsing and streaming, a modem with speeds up to 300 Mbps is usually sufficient. For gaming, 4K streaming, or multiple users, consider a modem with speeds of 1 Gbps or higher. Match the modem speed with your internet plan to ensure you are not paying for more speed than your modem can handle.
ChannelsChannels refer to the number of downstream and upstream channels a modem has. More channels can mean better performance and higher speeds. For example, a 16x4 modem has 16 downstream channels and 4 upstream channels. This is important because more channels can help manage network congestion and provide a more stable connection. For basic use, a modem with 8x4 channels is usually sufficient. For higher performance and faster speeds, look for modems with 16x4 or 32x8 channels. Choose based on your internet usage and the number of devices connected to your network.
Built-in RouterSome modems come with a built-in router, which combines the functions of a modem and a wireless router in one device. This is important for convenience and space-saving. If you prefer an all-in-one solution, a modem with a built-in router can simplify your setup and reduce the number of devices you need. However, if you want more control over your network or plan to use a high-performance router, you might prefer a standalone modem. Choose a built-in router if you want an easy setup and fewer devices, or a standalone modem if you want to pair it with a specific router.
Ethernet PortsEthernet ports on a modem allow you to connect wired devices directly to the modem for a more stable and faster connection. This is important for devices that require a reliable connection, such as gaming consoles, desktop computers, or smart TVs. Most modems come with at least one Ethernet port, but some have multiple ports. If you have several devices that need a wired connection, look for a modem with multiple Ethernet ports. Choose based on the number of wired devices you plan to connect to ensure you have enough ports.

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