NETGEAR CM1000 DOCSIS 3.1 Gigabit Cable Modem

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85%
87%
Installation & Setup
92%
Performance & Speed
85%
Build Quality
88%
Compatibility with ISPs
84%
Value for Money
90%
Long-Term Reliability
89%
Latency & Stability
80%
Customer Support
81%
Design & Size
87%
Ethernet Port Performance
82%
Price vs Features
78%
Compatibility with Routers
More

Overview

The NETGEAR CM1000 DOCSIS 3.1 Gigabit Cable Modem offers a reliable solution for high-speed internet connections. This modem is compatible with major ISPs such as Xfinity, Spectrum, and Cox, providing stable speeds up to 1 Gbps. It’s a great choice for users looking to enhance their internet experience, delivering the bandwidth needed for gaming, streaming, and work-from-home setups. Additionally, this modem replaces rental fees, offering long-term savings by eliminating the need for monthly rental payments. A simple and efficient solution, this DOCSIS 3.1 modem is a future-proof investment for any high-speed internet user.

Features & Benefits

The NETGEAR CM1000 DOCSIS 3.1 cable modem supports gigabit speeds, making it ideal for heavy internet usage like 4K streaming or online gaming. Setup is straightforward, and it connects to any compatible Wi-Fi router to extend your network’s reach. Featuring future-proof DOCSIS 3.1 technology, this modem ensures faster speeds and lower latency compared to older models. While it lacks built-in Wi-Fi, its single Gigabit Ethernet port allows for fast wired connections, ensuring you get the most out of your high-speed internet plan. Overall, it’s a solid choice for anyone looking to upgrade their network’s capabilities.

Best For

This high-speed modem is best suited for households with internet plans up to 1 Gbps, where users demand reliable and fast connections for activities like gaming, video streaming, or remote work. If you’re tired of paying rental fees, this modem offers a cost-effective solution by replacing the need for ISP-provided modems. It’s perfect for those using ISPs like Xfinity, Spectrum, or Cox, but it is not compatible with DSL or fiber internet providers. Whether you’re a casual internet user or a tech enthusiast, this modem delivers the speed and reliability you need for modern internet use.

User Feedback

Users generally appreciate the easy installation process and the consistent performance of the NETGEAR CM1000. Many highlight the reliable, fast connections and reduced downtime. However, some report occasional compatibility issues with certain routers, though these seem to be relatively rare. A few users have expressed concerns about the initial price, but most feel the investment is justified considering the long-term savings on rental fees and the modem’s ability to handle high-speed plans. Overall, it has received positive feedback for providing excellent value for money and maintaining a high-quality internet connection.

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Pros

  • This modem supports speeds up to 1 Gbps, ideal for heavy internet use like gaming and streaming.
  • Compatible with major ISPs such as Xfinity, Spectrum, and Cox, offering broad usability.
  • Easy to set up with simple plug-and-play installation for quick deployment.
  • DOCSIS 3.1 technology ensures future-proof speeds and lower latency for high-speed internet plans.
  • The Gigabit Ethernet port provides stable and fast wired connections, perfect for home offices.
  • By replacing rental modems, this device can save users significant money on monthly fees.

Cons

  • Some users report compatibility issues with specific routers, affecting seamless performance.
  • This modem lacks Wi-Fi functionality, requiring users to purchase a separate router for wireless connections.
  • Not compatible with Verizon, AT&T, or DSL providers, limiting its use for some households.
  • The price point is relatively high, which may be a concern for budget-conscious buyers.
  • A few users mention that the modem's compact size limits its range of connectivity options for larger homes.
  • It may not be the best choice for users with lower-speed internet plans who don’t need gigabit speeds.

Ratings

After analyzing verified user reviews worldwide from various platforms and languages, the scores for the NETGEAR CM1000 DOCSIS 3.1 Gigabit Cable Modem reflect a balanced assessment of its strengths and pain points. Spam, incentivized, and low-quality reviews were filtered out, ensuring only authentic and helpful feedback was used. This modem receives praise for its reliable performance, but some concerns regarding its compatibility and price have been noted by users across diverse sources.

Installation & Setup
87%
Many users appreciate how simple and quick the setup process is. Most report that it only takes a few minutes to get the modem connected and running, even for those who aren’t tech-savvy. The straightforward installation makes it easy to start using immediately, which is especially valuable for households with little time to spare.
A few users have noted some initial difficulties with the modem’s configuration, particularly when it comes to pairing with certain routers. In some cases, users reported needing to call customer support for assistance. While this is a minor issue for most, it can be frustrating for those seeking a hassle-free experience.
Performance & Speed
92%
The device consistently delivers fast and reliable speeds, even during peak usage times. Many buyers highlight its ability to handle high-bandwidth activities like gaming, streaming in 4K, and video conferencing without noticeable lag or interruptions. The gigabit speed support is appreciated by those with high-speed internet plans, making it ideal for heavy internet usage.
A small group of users reported that the speed doesn’t always reach the full 1 Gbps under certain conditions, particularly with specific routers or over longer distances. While most find the performance satisfactory, those looking for perfect speed consistency at all times may experience occasional limitations depending on their network setup.
Build Quality
85%
The compact, sturdy design of this modem is often mentioned positively. Many users find it space-saving and unobtrusive, fitting neatly into their home setups. The black color and relatively small dimensions make it blend well with most home entertainment or office equipment without drawing attention.
While the build quality is generally good, a few customers have expressed concerns about its plastic housing, which feels somewhat less durable compared to other modems on the market. Some users have reported occasional overheating issues, particularly when the modem is used for extended periods, though this is not widespread.
Compatibility with ISPs
88%
This device is highly compatible with major ISPs like Xfinity, Spectrum, and Cox, which makes it an excellent choice for users looking to upgrade their modem. Buyers appreciate that it works seamlessly with their existing internet service without needing extra configurations. The plug-and-play nature of the modem is often highlighted as a key benefit for those seeking a hassle-free replacement for their rental modem.
However, some users have pointed out that this modem is not compatible with Verizon, AT&T, or DSL providers, limiting its appeal to a specific subset of customers. This might cause disappointment for potential buyers who are considering switching their ISP but require a modem that can support different providers.
Value for Money
84%
Many users feel that the long-term savings on rental fees outweigh the initial cost of purchasing the device. The performance and future-proof features provided by DOCSIS 3.1 technology make it a solid investment for households with high-speed internet plans. Overall, the price is considered fair by most buyers when considering its capabilities and the value it provides over time.
Some users, however, feel that the price point is a bit high for those on a budget. While the savings on rental fees are a clear benefit, the initial purchase cost can be a deterrent for customers looking for a more affordable option. A few buyers also noted that similar devices are available at a lower price but with slightly fewer features.
Long-Term Reliability
90%
The NETGEAR modem is praised for its consistent performance over time. Users have reported minimal issues with connectivity and speed, even after prolonged use. This makes it a reliable choice for households or home offices where constant uptime is crucial, especially for remote work and streaming.
A very small number of users have reported issues with the modem losing connection intermittently. While not a common complaint, some users experienced difficulty reconnecting after long periods of use, and required a reboot to restore full functionality. This may indicate potential long-term reliability concerns for specific setups.
Latency & Stability
89%
Users frequently commend the modem for its low latency and stable connections, which are critical for activities like online gaming and video calls. Many mention that it maintains a steady, uninterrupted connection, even during periods of heavy usage. This makes it a suitable option for those needing consistent performance for work or leisure.
Although the latency is generally low, a handful of users have reported occasional spikes in latency during certain activities or network conditions. These brief interruptions were noted mostly by gamers and those using high-demand applications, but they are infrequent and do not seem to affect most users.
Customer Support
80%
20%
When needed, many users find that NETGEAR's customer support team is helpful in resolving issues quickly. Most have found it easy to get in touch with a representative, and many report satisfactory assistance with installation problems or connectivity issues. The availability of resources like online guides and troubleshooting tips is also appreciated.
On the other hand, some buyers have expressed frustration with the responsiveness of customer support. A few reviews mentioned long wait times or unhelpful responses, which can be frustrating when dealing with time-sensitive issues. Although the majority of experiences are positive, there are occasional reports of less-than-ideal support encounters.
Design & Size
81%
19%
The compact and sleek design of this modem is frequently praised. Its small footprint allows it to fit easily in tight spaces, and the simple black exterior blends well with most home décor. Users who prioritize minimalistic setups find this device especially attractive due to its unobtrusive presence.
However, a few users mentioned that the modem could be even smaller or lighter, especially for those with limited desk space. While it is certainly compact compared to many other models, the size and weight might still be slightly cumbersome for customers with extremely tight setups.
Ethernet Port Performance
87%
The single Gigabit Ethernet port offers fast and reliable wired connections for users who prefer a direct, stable link. Many buyers mention that this port is ideal for devices that require consistent speeds, like gaming consoles or desktop computers. The quality of the wired connection is often noted as solid and stable, contributing to overall satisfaction.
Some users have found the lack of additional Ethernet ports limiting, especially for larger households or setups with multiple wired devices. While the single port is fine for many, buyers looking to connect several devices directly may need an additional switch or router, which adds to the overall cost.
Price vs Features
82%
18%
While the price point is higher than some other modems, many users believe the features justify the cost. The DOCSIS 3.1 technology, along with its future-proof capability for higher speeds, makes it a solid investment for long-term use. Customers looking for an upgrade from older modems find the value worth the higher price tag.
However, some buyers feel that the price is still somewhat steep compared to alternatives with similar performance. A few have pointed out that the cost might not be justifiable for those on slower or more basic internet plans who don’t fully need the DOCSIS 3.1 technology or gigabit speeds.
Compatibility with Routers
78%
22%
The modem’s compatibility with a variety of routers is generally good. Many users find that it pairs easily with their existing Wi-Fi setups, making the overall experience seamless. The ability to work with most popular routers adds to its flexibility and convenience for different home networks.
However, some buyers have experienced issues with certain router models not being fully compatible with this modem. These users have reported difficulty syncing the devices or encountering connectivity issues. While the majority have no issues, router compatibility can sometimes be an obstacle for specific configurations.

Suitable for:

The NETGEAR CM1000 DOCSIS 3.1 Gigabit Cable Modem is well-suited for households with high-speed internet plans of up to 1 Gbps. Users who want to cut rental fees from their cable provider will find it especially appealing, as this modem can save money over time. Gamers, streamers, and remote workers will appreciate its reliable and fast performance, ensuring stable connections even during heavy internet usage. Those with major ISPs like Xfinity, Spectrum, and Cox will benefit from its seamless compatibility. This device also fits well in homes or offices with a need for high-performance, wired internet connections through the Gigabit Ethernet port, though a separate router is necessary for Wi-Fi access.

Not suitable for:

This modem is not ideal for users with DSL connections or ISPs like Verizon and AT&T, as it is incompatible with those services. It also may not be the best option for individuals on lower-speed internet plans who don’t require DOCSIS 3.1 technology or gigabit speeds. Buyers who need multiple Ethernet ports for wired devices may also find this device lacking, as it only includes one Gigabit Ethernet port. Additionally, some users with specific routers have faced compatibility issues, meaning this modem may not be suitable for every home network setup. Those seeking a more budget-friendly solution might also find the initial price point a bit high, despite potential long-term savings.

Specifications

  • Technology: Uses DOCSIS 3.1 technology for high-speed cable internet connectivity.
  • ISP Compatibility: Compatible with major ISPs like Xfinity, Spectrum, and Cox.
  • Speed Support: Supports speeds up to 1 Gbps, suitable for high-speed internet plans.
  • Ethernet Port: Equipped with one Gigabit Ethernet port for wired connections.
  • Wi-Fi Functionality: Does not have built-in Wi-Fi; requires a separate Wi-Fi router.
  • IPv6 Support: Supports IPv6, ensuring future-proof compatibility with modern networks.
  • Dimensions: Compact design with dimensions of 5.4 x 5.9 x 8.8 inches.
  • Weight: Weighs 13.4 ounces, making it lightweight and easy to handle.
  • Power Supply: Powered via a standard 12V DC adapter included with the modem.
  • Form Factor: Vertical tower form factor with a black, sleek finish.
  • Certification: Certified for use with ISPs like Xfinity, Spectrum, and Cox.
  • Compatibility Limitations: Not compatible with Verizon, AT&T, or DSL internet providers.
  • Modem Type: Cable modem designed for high-speed, broadband cable connections.
  • Router Compatibility: Works with any Wi-Fi router via Ethernet for internet distribution.
  • Installation: Easy to set up with plug-and-play installation process.
  • Operating Temperature: Operates within a temperature range of 32°F to 104°F (0°C to 40°C).
  • Certifications: Certified with the latest DOCSIS 3.1 standards for broadband performance.
  • Security: Supports standard security features like WPA2 encryption when paired with a compatible router.

FAQ

The NETGEAR CM1000 DOCSIS 3.1 Gigabit Cable Modem is a high-speed modem that supports internet speeds up to 1 Gbps. It’s designed to work with major ISPs like Xfinity, Spectrum, and Cox, offering stable, fast connections while helping users save on rental fees by replacing their ISP-supplied modem.

Setting up this device is easy. Simply connect the modem to your coaxial cable and power it on. Then, use an Ethernet cable to connect the modem to a Wi-Fi router (since this device doesn't have built-in Wi-Fi). Once connected, follow the on-screen instructions from your ISP to complete activation.

This modem works with major ISPs like Xfinity, Spectrum, and Cox in the U.S. However, it is not compatible with Verizon, AT&T, or DSL providers. Be sure to check your ISP's compatibility before purchasing to ensure this device will work for you.

Yes, the NETGEAR CM1000 supports speeds up to 1 Gbps, which is perfect for users who need high-speed internet for activities like gaming, streaming, or large file downloads. It’s built for heavy internet usage and ensures stable, reliable connections.

Yes, this modem doesn’t include Wi-Fi capabilities, so you’ll need to connect it to a separate Wi-Fi router. The single Gigabit Ethernet port is designed for wired connections, making it ideal for home offices or setups where a reliable wired connection is needed.

Installation is straightforward, with many users praising its plug-and-play setup. Simply connect the modem to your cable line, attach it to your router via Ethernet, and follow the ISP's instructions to activate the modem. It's user-friendly and doesn’t require advanced technical knowledge.

In most cases, yes. This device works with any router that accepts a wired Ethernet connection. However, some users have reported compatibility issues with certain router models, so it's worth checking your router's specs if you’re experiencing trouble.

DOCSIS 3.1 is the latest cable internet technology, designed for faster speeds, greater efficiency, and lower latency. It ensures better performance in high-demand households and is future-proof, making it a solid choice for users with gigabit internet plans.

By replacing your ISP's rental modem with this high-speed device, you can save an average of $10–$15 per month, depending on your ISP’s rental fees. Over time, this can add up to significant savings.

If you're having trouble with your connection, try rebooting both your modem and router. Also, ensure all cables are properly connected. If issues persist, check for firmware updates or contact your ISP to confirm compatibility. Some users have mentioned specific router compatibility issues that could affect performance.