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10 Best Modems 2025 in the United States

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Our Top Picks

#1

Winner

ARRIS (S34) - Cable Modem - Fast DOCSIS 3.1 Multi-Gigabit Cable Modem, for Comcast Xfinity, Cox, Spectrum & More, 2.5 Gbps Max Internet Speeds, Next-Generation Upload Optimized, 2 Year Warranty

The ARRIS (S34) modem is an excellent choice for anyone looking to upgrade their internet connection, particularly if you want to save on rental fees from your cable provider. With DOCSIS 3.1 technology, it promises significantly faster speeds—up to 2.5 Gbps—making it ideal for high-bandwidth activities like gaming, streaming, and working from home. The modem’s ability to support multiple devices with its 2.5 Gbps and 1 Gbps Ethernet ports is another strong point. This feature allows for combined speeds of up to 3.5 Gbps, effectively future-proofing your home network as internet demands continue to grow.

A standout benefit is the cost savings associated with owning the modem. Users can potentially save up to $168 per year by not renting a modem from their internet service provider. This makes the investment in the ARRIS S34 not only wise but financially beneficial over time.

On the downside, while the device is compatible with major U.S. cable providers like Comcast Xfinity, Cox, and Spectrum, it’s essential to double-check compatibility with your specific plan. Additionally, while the setup is touted as simple, some users may still find the initial configuration a bit challenging if they’re not tech-savvy. Lastly, it lacks built-in WiFi capabilities, so you will need to connect it to a separate WiFi router to create a wireless network. This could be a drawback for those looking for an all-in-one solution. The ARRIS S34 is a solid choice for users who prioritize speed, future-proofing, and cost savings, especially if paired with a compatible router.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Speed
The modem's performance is excellent, consistently delivering speeds above the purchased rate.
Security Features
Security settings need attention; the default firewall is set to WEAK.
#2

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

The NETGEAR Nighthawk DOCSIS 3.1 CM3000 modem is a strong choice for those looking for high-speed internet solutions, especially users with cable plans up to 2.5Gbps. One of its standout features is its ability to deliver impressive download and upload speeds, making it ideal for activities like gaming, video conferencing, and uploading large files without lag. Its compatibility with all major cable providers in the U.S. enhances its appeal, as it can seamlessly work with services like Xfinity, Spectrum, and Cox.

The modem supports advanced DOCSIS 3.1 technology, which is designed for today's high-speed internet needs and future-proofs users as internet speeds continue to rise. Additionally, it provides the option to connect a NETGEAR WiFi 6E or WiFi 7 router for even better performance, allowing for a robust home networking experience.

The NETGEAR Nighthawk CM3000 is an excellent option for users who prioritize high speeds and want to enhance their home internet experience, provided they have the right setup and are ready for the investment.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Compatibility
Works seamlessly with all major cable providers, including Xfinity, Spectrum, and Cox.
Speed
Supports top-tier speeds, making it perfect for ultra-fast internet and future-proofing.
Channels
The mid/high-split support ensures better upstream and downstream capabilities, ideal for gamers, streamers, and remote workers.
#3

NETGEAR Nighthawk Cable Modem with Built-in WiFi 6 Router (CAX80) - Compatible All Major Providers incl. Xfinity, Spectrum, Cox | Plans Up to 6Gbps AX6000 speed DOCSIS 3.1, Black

The NETGEAR Nighthawk Cable Modem with Built-in WiFi 6 Router (CAX80) is a robust option for anyone seeking a high-speed internet connection, especially for users with cable internet plans from providers like Xfinity, Spectrum, and Cox. With DOCSIS 3.1 technology, it supports plans up to 6Gbps, making it ideal for heavy internet users, gamers, or families with multiple devices. One of its major advantages is the built-in WiFi 6 capability, which enhances speed and coverage, offering connectivity for up to 30 devices across 2,500 square feet.

In terms of connectivity, this modem comes equipped with four 1 Gig Ethernet ports and one multi-gig port, allowing for fast wired connections for gaming consoles and streaming devices. The two-port aggregation feature is a nice touch for users looking to maximize their internet speeds, especially for streaming and online gaming.

It's important to note that the CAX80 is not compatible with DSL providers and some others like Verizon and AT&T, which could limit its appeal for users outside of cable internet. While it includes built-in security features through NETGEAR Armor, users should be aware that the 30-day trial period for this software will require a subscription afterward for ongoing protection.

Ease of use is another strong point, as the Nighthawk app allows for simple setup and management of your WiFi network, making it user-friendly. On the downside, some users have reported that the initial setup can sometimes be confusing, particularly for those who are not tech-savvy.

This modem-router combo is well-suited for high-speed cable internet users looking for a powerful solution that reduces rental fees by combining devices. However, potential buyers should check compatibility with their internet service provider and consider the ongoing costs associated with security features.

Customer Highlights

A summary of real customer reviews to highlight what shoppers are saying!
Compatibility
This modem-router combo integrates seamlessly with mesh wireless systems, ensuring stable gigabit speeds.
Speed
The Nighthawk modem-router combo offers exceptional speed and reliability, even outperforming rented devices from ISPs.
Security Features
Security features are top-notch, with the NETGEAR Armor catching multiple threats that other routers missed.

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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