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10 Best Cox Compatible Modem 2025 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 solid choice for users looking for a Cox-compatible modem that also functions as a WiFi router. It supports DOCSIS 3.1, which is the latest standard for cable modems, ensuring high-speed internet suitable for plans up to 2Gbps. This model boasts impressive channel bonding with 32x8 capabilities, enhancing your internet speed and performance during peak usage times.
Rating
9.9
Chosen by1,476
Speed Compatibility
Built-in Router
Additional Features
Most important from
768 reviews
#2
ARRIS (S34) - Cable Modem - Fast DOCSIS 3.1 Multi-Gigabit Cable Modem, for Comcast Xfinity, Cox, Spectrum & More, 2.5 Gbps Max Internet Speeds, 2 Year Warranty - (No Built-in WiFi)
The ARRIS S34 modem is designed for users looking for a high-performance option compatible with Cox and other major cable providers. One of its standout features is the DOCSIS 3.1 technology, which is significantly faster than the older DOCSIS 3.0, promising better performance for activities like gaming and streaming. With a maximum internet speed capability of 2.5 Gbps, it can handle demanding multi-gigabit plans, making it a great choice for heavy internet users or households with multiple devices connected at once.
Rating
9.8
Speed Compatibility
Built-in Router
ISP Compatibility
Most important from
373 reviews
#3
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)
The ARRIS SURFboard SB8200 is a strong contender in the cable modem market, particularly for users looking for Cox-compatible options. With DOCSIS 3.1 technology, it supports internet speeds up to 1 Gbps, making it ideal for households with heavy internet usage, like streaming and online gaming. Its ability to reduce lag and improve security adds to its appeal, especially for gamers and families that require reliable connections.
Rating
9.7
Built-in Router
ISP Compatibility
Additional Features
Most important from
19973 reviews
Top 10 Best Cox Compatible Modem 2025 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
DOCSIS Standard: DOCSIS 3.1
Channel Bonding: 32x8
Speed Compatibility: up to 2Gbps
Built-in Router: Yes
ISP Compatibility: Cox
Additional Features: WiFi 6, 4 Ethernet ports, USB 3.0
Chosen by 1476 this week
ARRIS (S34) - Cable Modem - Fast DOCSIS 3.1 Multi-Gigabit Cable Modem, for Comcast Xfinity, Cox, Spectrum & More, 2.5 Gbps Max Internet Speeds, 2 Year Warranty - (No Built-in WiFi)
ARRIS (S34) - Cable Modem - Fast DOCSIS 3.1 Multi-Gigabit Cable Modem, for Comcast Xfinity, Cox, Spectrum & More, 2.5 Gbps Max Internet Speeds, 2 Year Warranty - (No Built-in WiFi)
DOCSIS Standard: DOCSIS 3.1
Speed Compatibility: 2.5 Gbps
ISP Compatibility: Cox, Spectrum, Xfinity
Additional Features: Two Ethernet ports, SURFboard App
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)
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)
DOCSIS Standard: DOCSIS 3.1
Speed Compatibility: up to 1 Gbps
Built-in Router: No
ISP Compatibility: Xfinity, Cox, Spectrum
Additional Features: Two 1-Gigabit Ethernet ports
NETGEAR Nighthawk Cable Modem and WiFi 6 Router Combo (CAX80) - Compatible with All Major Cable Providers incl. Xfinity, Spectrum, Cox - Cable Plans up to 6Gbps - 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 6Gbps - AX6000 WiFi 6 Speed - DOCSIS 3.1
DOCSIS Standard: DOCSIS 3.1
Channel Bonding: 32x8
Speed Compatibility: up to 6Gbps
ISP Compatibility: Xfinity, Spectrum, Cox
Built-in Router: WiFi 6
Security Features: NETGEAR Armor
ARRIS (S33) - Cable Modem - Fast DOCSIS 3.1 Multi-Gigabit Cable Modem For Comcast Xfinity, Cox, Spectrum & More 1 & 2.5 Gbps Ports 2.5 Gbps Max Internet Speeds 2 Year Warranty - (No Built-in Wifi)
ARRIS (S33) - Cable Modem - Fast DOCSIS 3.1 Multi-Gigabit Cable Modem For Comcast Xfinity, Cox, Spectrum & More 1 & 2.5 Gbps Ports 2.5 Gbps Max Internet Speeds 2 Year Warranty - (No Built-in Wifi)
DOCSIS Standard: DOCSIS 3.1
Speed Compatibility: 2.5 Gbps
Built-in Router: No
ISP Compatibility: Cox, Spectrum, Xfinity
Additional Features: SURFboard Central App
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NETGEAR Nighthawk Cable Modem CM1200 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to 2 Gigabits | 4 x 1G Ethernet Ports | DOCSIS 3.1, Black
NETGEAR Nighthawk Cable Modem CM1200 - Compatible with All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | for Cable Plans Up to 2 Gigabits | 4 x 1G Ethernet Ports | DOCSIS 3.1, Black
DOCSIS Standard: DOCSIS 3.1
Channel Bonding: 32x8
Speed Compatibility: up to 2Gbps
Built-in Router: No
ISP Compatibility: Cox, Spectrum, Xfinity
Additional Features: Four Gigabit Ethernet ports
NETGEAR Nighthawk Modem Router Combo C7000-Compatible with Cable Providers Including Xfinity by Comcast, Spectrum, Cox,Plans Up to 800Mbps | AC1900 WiFi Speed | DOCSIS 3.0
NETGEAR Nighthawk Modem Router Combo C7000-Compatible with Cable Providers Including Xfinity by Comcast, Spectrum, Cox,Plans Up to 800Mbps | AC1900 WiFi Speed | DOCSIS 3.0
DOCSIS Standard: DOCSIS 3.0
Speed Compatibility: up to 800Mbps
Built-in Router: Yes
ISP Compatibility: Cox, Xfinity, Spectrum
Additional Features: 4 Ethernet ports, USB, NETGEAR Armor
NETGEAR Cable Modem DOCSIS 3.1 (CM1000) Gigabit Modem, Compatible with All Major Cable Providers Including Xfinity, Spectrum, Cox, for Cable Plans Up to 1 Gbps,Black
NETGEAR Cable Modem DOCSIS 3.1 (CM1000) Gigabit Modem, Compatible with All Major Cable Providers Including Xfinity, Spectrum, Cox, for Cable Plans Up to 1 Gbps,Black
DOCSIS Standard: DOCSIS 3.1
Speed Compatibility: up to 1 Gbps
Built-in Router: No
ISP Compatibility: Xfinity, Spectrum, Cox
Additional Features: One Gigabit Ethernet port
Motorola MB7621 Cable Modem | Pairs with Any WiFi Router | Approved by Comcast Xfinity, Cox, and Spectrum | for Cable Plans Up to 900 Mbps | DOCSIS 3.0
Motorola MB7621 Cable Modem | Pairs with Any WiFi Router | Approved by Comcast Xfinity, Cox, and Spectrum | for Cable Plans Up to 900 Mbps | DOCSIS 3.0
DOCSIS Standard: 3.0
Speed Compatibility: up to 650 Mbps
ISP Compatibility: Comcast Xfinity, Cox, Spectrum
Built-in Router: No
Security Features: protection against power surges
#10
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Buying Guide for the Best Cox Compatible Modem
When choosing a Cox-compatible modem, it's important to ensure that the modem you select is compatible with Cox's network and meets your internet speed requirements. A good modem can significantly improve your internet experience by providing faster speeds, better reliability, and enhanced security. To make an informed decision, you should consider several key specifications that will help you find the best modem for your needs. Here are the key specs to look for and how to evaluate them.DOCSIS StandardDOCSIS (Data Over Cable Service Interface Specification) is a standard that determines how data is transmitted over cable networks. 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 standard internet usage, including streaming and gaming. DOCSIS 3.1 is the latest standard and supports speeds up to 10 Gbps, making it ideal for heavy internet users or those with gigabit internet plans. If you have a high-speed plan or want to future-proof your setup, opt for a DOCSIS 3.1 modem.
Channel BondingChannel bonding refers to the number of downstream and upstream channels a modem can use simultaneously. More channels mean better performance and higher speeds. For example, a 16x4 modem has 16 downstream and 4 upstream channels, which is suitable for speeds up to 300 Mbps. A 32x8 modem can handle higher speeds, up to 1 Gbps. If you have a high-speed internet plan or multiple devices connected simultaneously, choose a modem with more channels to ensure smooth and fast internet access.
Speed CompatibilitySpeed compatibility refers to the maximum internet speed a modem can handle. It's crucial to match the modem's speed capabilities with your internet plan. If your plan offers speeds up to 300 Mbps, a modem that supports up to 300 Mbps will suffice. However, if you have a gigabit plan, you'll need a modem that can handle speeds up to 1 Gbps or higher. Always check your internet plan's speed and choose a modem that can support it to avoid bottlenecks and ensure optimal performance.
ISP CompatibilityNot all modems are compatible with every internet service provider (ISP). Cox provides a list of approved modems that are guaranteed to work with their network. Before purchasing a modem, check Cox's website for their list of compatible modems. This ensures that the modem you choose will work seamlessly with your Cox internet service and provide the best performance.
Built-in RouterSome modems come with a built-in router, offering a two-in-one solution. This can save space and reduce the number of devices you need. However, built-in routers may not offer the same performance or features as standalone routers. If you have a large home, multiple devices, or need advanced features like parental controls or guest networks, you might prefer a separate modem and router. For simpler setups or smaller homes, a modem with a built-in router can be a convenient and cost-effective option.
Security FeaturesSecurity features in a modem can help protect your network from threats. Look for modems with built-in security features like firewalls, encryption, and automatic firmware updates. These features can help safeguard your personal information and devices from cyberattacks. If you prioritize security, choose a modem with robust security features to ensure your network remains protected.