10 Best Modems 2026 in the United States
#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
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.
Rating
10.0
Chosen by1,107
Speed
Built-in Router
Most important from
1619 reviews
#2
ARRIS (G54) - Cable Modem Router Combo - Fast DOCSIS 3.1 Multi-Gigabit & BE 18000 WiFi 7 Comcast Xfinity, Cox, Spectrum Quad-Band 1, Up to 18 Gbps Max Speed
The ARRIS G54 modem router combo is a strong choice if you're looking for a high-performance device compatible with popular cable providers like Xfinity, Spectrum, and Cox. It supports the latest DOCSIS 3.1 standard, which means it can handle very fast internet speeds up to 18 Gbps, making it future-proof for gigabit plans. The built-in Wi-Fi 7 router offers excellent coverage for large homes—up to 5,000 square feet—and improved wireless speed and capacity compared to older Wi-Fi versions.
Rating
9.1
Speed
Channels
Most important from
258 reviews
#3
NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000) – Approved for Today’s Fastest Speeds - Works with All Providers Incl. Xfinity, Spectrum, Cox - for 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.
Rating
8.5
Compatibility
Speed
Channels
Most important from
428 reviews
Top 10 Best Modems 2026 in the United States
#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
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
Compatibility: Xfinity, Spectrum, Cox
DOCSIS Standard: 3.1
Speed: 2.7 Gbps
Built-in Router: WiFi 6
Ethernet Ports: 4
Chosen by 1107 this week
ARRIS (G54) - Cable Modem Router Combo - Fast DOCSIS 3.1 Multi-Gigabit & BE 18000 WiFi 7 Comcast Xfinity, Cox, Spectrum Quad-Band 1, Up to 18 Gbps Max Speed
ARRIS (G54) - Cable Modem Router Combo - Fast DOCSIS 3.1 Multi-Gigabit & BE 18000 WiFi 7 Comcast Xfinity, Cox, Spectrum Quad-Band 1, Up to 18 Gbps Max Speed
Compatibility: Xfinity, Spectrum, Cox
DOCSIS Standard: 3.1
Speed: 18 Gbps
Built-in Router: Wi-Fi 7
Ethernet Ports: 4x 1-Gigabit, 1x 10-Gigabit
NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000) – Approved for Today’s Fastest Speeds - Works with All Providers Incl. Xfinity, Spectrum, Cox - for Plans up to 2.5Gbps
NETGEAR Nighthawk DOCSIS 3.1 Mid/high-Split Cable Modem (CM3000) – Approved for Today’s Fastest Speeds - Works with All Providers Incl. Xfinity, Spectrum, Cox - for Plans up to 2.5Gbps
Compatibility: Xfinity, Spectrum, Cox
DOCSIS Standard: DOCSIS 3.1
Speed: up to 2.5Gbps
NETGEAR Nighthawk Cable Modem and WiFi 6 Router Combo (CAX80) - Compatible with All Major Cable Providers incl. Xfinity, Spectrum, Cox - Cable Plans up to 2 Gbps - AX6000 WiFi 6 Speed - DOCSIS 3.1
NETGEAR Nighthawk Cable Modem and WiFi 6 Router Combo (CAX80) - Compatible with All Major Cable Providers incl. Xfinity, Spectrum, Cox - Cable Plans up to 2 Gbps - AX6000 WiFi 6 Speed - DOCSIS 3.1
Compatibility: Xfinity, Spectrum, Cox
DOCSIS Standard: DOCSIS 3.1
Speed: up to 6Gbps
Built-in Router: Yes, WiFi 6
Ethernet Ports: Four 1 Gig ports, one multi-gig
Security Features: NETGEAR Armor (30-day trial)
Hitron CODA56 Cable Internet Modem ONLY - DOCSIS 3.1 | 2.5 Gbps | NO WiFi - Requires Router | Xfinity/Spectrum/Cox Compatible | NOT for Fiber/DSL
Hitron CODA56 Cable Internet Modem ONLY - DOCSIS 3.1 | 2.5 Gbps | NO WiFi - Requires Router | Xfinity/Spectrum/Cox Compatible | NOT for Fiber/DSL
Compatibility: Xfinity, Spectrum, Cox, Charter, Cable One
DOCSIS Standard: DOCSIS 3.1
Speed: 2.5 Gigabits Per Second
Ethernet Ports: 1
Related Products
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![ARRIS (G36) - Cable Modem Router Combo - Fast DOCSIS 3.1 Gigabit WiFi 6 (AX3000), 1.2 Gbps Max Speeds, Approved for Comcast Xfinity, Cox, Spectrum & More [Check with your provider for compatibility]](https://images-proxy.bestreviews.guide/dO1HCX8OcKuTRuT_0PuDz843Kkg=/0x300/https://m.media-amazon.com/images/I/21xoxWhOHDL._AC_CX679_.jpg)
Hitron CODA56 DOCSIS 3.1 Cable Modem ONLY (NOT Fiber) | 2.5 Gbps | NO WiFi/Voice/Router | Single Ethernet Port | Xfinity/Spectrum/Cox Compatible | Requires Separate WiFi Router
Hitron CODA56 DOCSIS 3.1 Cable Modem ONLY (NOT Fiber) | 2.5 Gbps | NO WiFi/Voice/Router | Single Ethernet Port | Xfinity/Spectrum/Cox Compatible | Requires Separate WiFi Router
Compatibility: Xfinity, Spectrum, Cox
DOCSIS Standard: DOCSIS 3.1
Speed: 2.5 Gbps
Built-in Router: No
Ethernet Ports: 1
Arris Surfboard S33 DOCSIS 3.1 Multi‑Gig Cable Modem | 2.5Gbps + 1Gbps Ethernet Ports | Works with Xfinity, Cox, Spectrum | for Cable Internet Plans up to 2.5Gbps | Modem Only, Router Required
Arris Surfboard S33 DOCSIS 3.1 Multi‑Gig Cable Modem | 2.5Gbps + 1Gbps Ethernet Ports | Works with Xfinity, Cox, Spectrum | for Cable Internet Plans up to 2.5Gbps | Modem Only, Router Required
Compatibility: Charter, Comcast, Cox, Spectrum, Xfinity
DOCSIS Standard: DOCSIS 3.1
Speed: 2.5 Gigabits per second
Built-in Router: No
Ethernet Ports: 2
NETGEAR Nighthawk DOCSIS 3.1 Mid/High-Split Modem (CM3000-1AZNAS) – Approved for Today's Fastest Speeds - Works with All Providers, Incl. Xfinity, Spectrum, Cox - Plans up to 2.5Gbps
NETGEAR Nighthawk DOCSIS 3.1 Mid/High-Split Modem (CM3000-1AZNAS) – Approved for Today's Fastest Speeds - Works with All Providers, Incl. Xfinity, Spectrum, Cox - Plans up to 2.5Gbps
Compatibility: Xfinity, Spectrum, Cox; PC, Router, Laptop
DOCSIS Standard: 3.1
Speed: 2.5Gbps down, up to 1Gbps up
Built-in Router: No
Ethernet Ports: 3
Hitron CODA DOCSIS 3.1 - Cable Internet ONLY (NOT Compatible with Fiber/DSL) | Up to 1 Gbps Cable Modem | Requires WiFi Router | Xfinity, Spectrum, Cox Certified
Hitron CODA DOCSIS 3.1 - Cable Internet ONLY (NOT Compatible with Fiber/DSL) | Up to 1 Gbps Cable Modem | Requires WiFi Router | Xfinity, Spectrum, Cox Certified
Compatibility: PC, Router, Ethernet devices
DOCSIS Standard: DOCSIS 3.1
Speed: 1 Gigabit per second
Built-in Router: No
Ethernet Ports: 2
#10
ARRIS SURFboard SB8200 DOCSIS 3.1 Multi‑Gig Cable Modem | 2 -1Gbps Ethernet Ports | Works with Xfinity, Cox, Spectrum | For Cable Internet Plans up to 2Gbps | Modem Only, Router Required
ARRIS SURFboard SB8200 DOCSIS 3.1 Multi‑Gig Cable Modem | 2 -1Gbps Ethernet Ports | Works with Xfinity, Cox, Spectrum | For Cable Internet Plans up to 2Gbps | Modem Only, Router Required
Compatibility: Comcast Xfinity, Cox, Spectrum
DOCSIS Standard: DOCSIS 3.1
Speed: up to 1 Gbps
Built-in Router: No
Ethernet Ports: Two 1-Gigabit ports
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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.