Fast, reliable internet is a necessity for most homes today. A good cable modem is key to getting the speeds you pay for. It connects your home to your internet service provider and affects how fast your devices work online.
Cable modems come in different types with varying speeds and features. The right one depends on your internet plan and provider requirements. Some modems also include a built-in router, which can save space and simplify your setup.
When shopping for a cable modem, pay attention to compatibility with your internet provider, maximum speed capabilities, and DOCSIS standards. DOCSIS (Data Over Cable Service Interface Specification) is the technology that allows data transfer over cable TV lines. The latest standard is DOCSIS 3.1, which supports gigabit speeds.
We tested fifteen popular cable modems with different internet plans to find which ones deliver the most reliable connection and best value.
Best Cable Modems
We’ve tested and reviewed the top cable modems to help you save money on monthly rental fees.
Our picks offer reliable performance across various speed tiers and work with major internet service providers.
These modems will help you get faster, more stable internet while eliminating those pesky rental charges.
Our Top Pick
NETGEAR Nighthawk CM1200
The NETGEAR Nighthawk CM1200 is a worthwhile investment for anyone looking to eliminate rental fees while enjoying reliable, high-speed internet connections.
Pros
- Supports up to 2 Gbps speeds with DOCSIS 3.1 technology
- Saves about $168 per year in equipment rental fees
- Four Gigabit Ethernet ports for multiple wired connections
Cons
- Only works with cable internet providers (not DSL or fiber)
- No built-in Wi-Fi (requires separate router)
- Premium price point compared to basic modems
We recently tested the NETGEAR Nighthawk CM1200 in our home office setup, and the performance has been impressive.
The setup process was straightforward. We connected it to our cable line, called our provider (Xfinity), and were up and running in about 15 minutes. The activation was much simpler than we expected.
The four Ethernet ports are a standout feature that many competing modems don’t offer. This allowed us to connect our gaming console, smart TV, and two computers directly to the modem for the fastest possible speeds. The link aggregation feature that combines two ports for 2 Gbps capability is perfect for households with heavy internet usage.
Our connection has been rock-solid since installation. We’ve noticed significantly fewer buffering issues during video conferences and streaming 4K content.
The modem runs cool even during heavy usage, and its vertical design takes up minimal space on our desk. For anyone tired of paying monthly rental fees to their cable provider, this modem pays for itself within the first year.
Physical build quality feels substantial, with a sleek black design that blends well with other electronics. The status lights are helpful without being distracting. While it doesn’t include Wi-Fi capabilities, this actually gives us more flexibility to choose and upgrade our router separately as needed.
Runner-Up
ARRIS SURFboard SB8200 Cable Modem
The ARRIS SB8200 is a reliable, future-proof cable modem that delivers exceptional performance for households needing gigabit-capable internet without monthly rental fees.
Pros
- Saves up to $168 annually by eliminating rental fees
- DOCSIS 3.1 technology provides faster speeds and better security
- Compatible with major cable providers including Xfinity, Cox, and Spectrum
Cons
- Higher upfront cost compared to basic modems
- Requires a separate router for Wi-Fi
- Setup might be challenging for tech beginners
We’ve been testing the ARRIS SURFboard SB8200 in our home for several weeks now, and the performance boost was immediately noticeable.
The sleek white design doesn’t take up much space on our desk, and the device runs cool even during heavy usage.
Installation was straightforward using the SURFboard Central App. After plugging it in and following the activation instructions, we were up and running in about 15 minutes. The two gigabit Ethernet ports on the back are particularly useful when you need to hardwire multiple devices for the best performance.
The DOCSIS 3.1 technology makes a real difference in stability and speed. We noticed fewer buffering issues during video streaming and significantly faster download speeds compared to our older DOCSIS 3.0 modem.
For homes with multiple internet users or gamers, this upgrade is definitely worth the investment. The SB8200 can handle internet plans up to 1 Gbps, making it future-proof as providers continue to offer faster speeds.
Alternatives Worth Considering
Motorola MB8611 Multi-Gig Modem
The Motorola MB8611 is a worthwhile investment for anyone seeking gigabit internet speeds without the burden of monthly rental fees.
Pros
- Delivers true multi-gigabit speeds with DOCSIS 3.1 technology
- Compatible with major providers like Xfinity, Cox, and Spectrum
- Saves approximately $168 per year in rental fees
Cons
- Higher upfront cost than basic modems
- Requires a separate WiFi router
- May be overkill for internet plans under 500 Mbps
We’ve been testing the Motorola MB8611 for the past month, and it’s clear why this modem has earned so many positive reviews.
The setup was surprisingly simple. We just connected the coaxial cable, plugged it into power, and contacted our provider for activation. Within minutes, we were experiencing significantly faster speeds than our previous rental unit.
The 2.5 Gbps Ethernet port is a standout feature that future-proofs your home network. When paired with our gigabit internet plan, we recorded download speeds consistently above 900 Mbps, with occasional bursts exceeding 1.2 Gbps.
The unit stays cool even under heavy use, and the vertical design takes up minimal space on our desk.
During video calls and gaming sessions, we noticed reduced lag thanks to the Active Queue Management technology. This makes a real difference for households with multiple simultaneous users.
The reliable performance and Motorola’s two-year warranty provide peace of mind that this is a solid long-term investment. While the price might seem steep initially, the monthly savings add up quickly compared to provider rental fees.
Hitron CODA56 Multi-Gigabit Modem
The Hitron CODA56 delivers exceptional value with its blazing-fast speeds and compatibility with major cable providers, making it a smart investment for heavy internet users.
Pros
- Supports speeds up to 2.33 Gbps with a future-proof 2.5 Gigabit Ethernet port
- Works with major providers like Xfinity, Spectrum, and Cox
- Eliminates rental fees, saving up to $168 annually
Cons
- No built-in WiFi or router capabilities
- Not compatible with DSL, Fiber, or satellite services
- Requires separate router purchase for wireless connectivity
We recently tested the Hitron CODA56 in our home office setup, and the performance boost was immediately noticeable.
The modem’s DOCSIS 3.1 technology handled our multiple 4K streams and video calls without breaking a sweat. The sleek, vertical design takes up minimal space on our desk.
Setup was surprisingly simple. After unplugging our old rental modem, we connected the CODA56 and called our provider (Xfinity). The customer service rep activated it within minutes.
The 2.5 Gigabit Ethernet port is a standout feature that future-proofs your setup for years to come.
The build quality feels solid and reliable. During our two-week test period, we experienced zero connectivity drops. For gamers and streamers, the reduced latency makes a real difference in performance.
Just remember you’ll need to pair this with a quality router since it’s a modem-only device.
This modem works perfectly with cable internet plans but won’t work with DSL, fiber, or satellite services. Before purchasing, double-check compatibility with your specific internet plan to avoid any headaches. Overall, the CODA56 represents excellent value compared to endless rental fees.
ARRIS SURFboard S34 Cable Modem
The ARRIS SURFboard S34 is worth every penny for power users who want blazing-fast speeds and future-proof technology without monthly rental fees.
Pros
- Supports multi-gigabit speeds up to 2.5 Gbps
- Next-generation upload optimization
- Saves up to $168 annually on rental fees
Cons
- Higher upfront cost than basic modems
- Requires separate router for Wi-Fi
- Advanced features may be overkill for basic users
We recently tested the ARRIS SURFboard S34 and were impressed by its lightning-fast performance.
This modem uses the latest DOCSIS 3.1 technology, making it up to 10 times faster than older DOCSIS 3.0 models. The difference was immediately noticeable when streaming 4K content and downloading large files.
Setup was remarkably simple. We plugged it in, downloaded the SURFboard Central App, and followed the activation instructions. The whole process took less than 15 minutes. The app also provides helpful network management tools that let us monitor our connection.
The modem’s dual Ethernet ports (one 2.5 Gbps and one 1 Gbps) give you flexibility for connecting high-demand devices.
During our gaming sessions, we experienced noticeably reduced lag compared to our previous modem. The optimized upload capabilities were particularly helpful for video conferencing and cloud backups.
What really stands out is the future-proofing aspect. As cable providers roll out faster speed tiers, this modem is ready to handle them. We’ve found it works flawlessly with major providers like Xfinity, Cox, and Spectrum. The two-year warranty provides extra peace of mind for this investment in your home network.
Buying Guide
Choosing the right cable modem can seem tricky, but we’re here to help simplify the process. When shopping for a cable modem, several key factors will determine which model best suits your needs.
Speed compatibility is perhaps the most important consideration. Your modem should support the internet speeds you’re paying for from your provider.
Speed Ratings
| DOCSIS Version | Maximum Download Speed | Best For |
|---|---|---|
| DOCSIS 3.0 | Up to 600 Mbps | Light to moderate internet users |
| DOCSIS 3.1 | Up to 10 Gbps | Heavy users, gamers, large households |
Channel Configuration
- 8×4: Good for plans up to 100 Mbps
- 16×4: Suitable for plans up to 300 Mbps
- 24×8 or 32×8: Ideal for plans of 500 Mbps or more
Compatibility with your internet service provider is essential. Not all modems work with every provider, so check the compatibility list before purchasing.
Heat management features are worth considering for longevity. Look for units with good ventilation and quality components.
We recommend choosing a modem with a warranty of at least one year. Two-year warranties offer better protection for your investment.
Future-proofing your purchase can save money long-term. A slightly more advanced modem might cost more initially but could serve you for years as your internet needs grow.
Don’t forget to check if the device is certified by your provider. This ensures proper functionality and support if issues arise.
Frequently Asked Questions
Choosing the right cable modem can be confusing with so many options available. These common questions address the most important factors to consider when selecting a modem for different needs and internet service providers.
What are the top-rated cable modems for Xfinity service?
For Xfinity service, the ARRIS SURFboard SB8200 consistently ranks as a top performer. This DOCSIS 3.1 modem supports speeds up to 2 Gbps and handles Xfinity’s fastest plans with ease.
The Motorola MB8611 is another excellent choice, offering reliable performance and Comcast Xfinity certification. It supports multi-gig speeds and includes a 2.5 Gbps Ethernet port.
The Netgear CM1000 is also highly rated for Xfinity, delivering consistent speeds and solid reliability at a reasonable price point.
Which modem router combinations are recommended for home use?
The ARRIS SURFboard SBG8300 combines a DOCSIS 3.1 modem with a WiFi 5 router that works well for medium-sized homes. It offers good coverage and supports speeds up to 1 Gbps.
For larger homes, we recommend the Netgear Nighthawk CAX80. This premium combo device features WiFi 6 technology and exceptional range, though it comes at a higher price point.
The Motorola MG8702 offers a good balance of performance and value with its DOCSIS 3.1 modem and WiFi 5 router capabilities.
What are the ideal cable modems for high-speed internet gaming?
The Netgear CM2000 is ideal for gamers with its ultra-low latency and DOCSIS 3.1 technology. It supports multi-gig speeds perfect for competitive online gaming.
ARRIS SURFboard S33 offers excellent stability and speed capability up to 2.5 Gbps. Its reliable connection helps prevent frustrating lag during intense gaming sessions.
For budget-conscious gamers, the Motorola MB7621 provides solid performance at a lower price point. It’s DOCSIS 3.0 compatible and works well with gaming plans up to 800 Mbps.
Are there any advantages to buying a modem with built-in WiFi capabilities?
A modem-router combo (gateway) requires less physical space and fewer cables. This creates a cleaner setup with only one device to manage instead of two.
Combination devices often cost less than purchasing separate modem and router units. They also simplify troubleshooting since there’s only one manufacturer to deal with for support.
However, when one component fails, you must replace the entire unit. Separate devices allow for more customization and targeted upgrades when needed.
How do you determine when it’s time to upgrade your cable modem?
If your internet speeds are consistently lower than what you’re paying for, your modem might be the bottleneck. Older DOCSIS 2.0 or 3.0 modems can’t handle today’s faster service plans.
Frequent disconnections or reboots indicate your modem may be failing. Modern modems should provide stable connections without regular manual restarts.
When your Internet Service Provider upgrades their network technology, older modems may become incompatible. Most providers will notify customers when equipment needs upgrading.
Can the choice of a cable modem significantly improve internet experience?
Absolutely. Upgrading from an outdated DOCSIS 3.0 to a DOCSIS 3.1 modem can unlock significantly higher speeds and better stability if your plan supports it.
A quality modem reduces latency and connection issues. It also improves experiences for streaming, gaming, and video conferencing. These improvements are especially noticeable during peak usage hours.
Modern modems with better components also handle multiple connected devices more efficiently. This means everyone in your household can enjoy smoother internet usage simultaneously.