Overview

The NETGEAR CM500 DOCSIS 3.0 Cable Modem Refurbished provides a reliable connection for home internet users seeking a cost-effective solution. Designed as a certified refurbished unit, this modem supports plans up to 200 Mbps and ensures a stable wired experience through its single Gigabit Ethernet port. While it does not include built-in Wi-Fi, it pairs easily with any compatible router, giving users flexibility in their network setup. Compact and unobtrusive, the device fits well in small spaces and offers straightforward installation. For those upgrading from ISP rental modems, this cable modem can reduce ongoing fees while maintaining consistent performance for everyday browsing and streaming.

Features & Benefits

Equipped with 16x4 channel bonding, the NETGEAR CM500 delivers faster download speeds compared with older DOCSIS 2.0 models, enhancing streaming, gaming, and large file transfers. Its compatibility with major providers like Xfinity, Cox, and CenturyLink ensures broad usability, while the elimination of monthly rental fees can save significant costs over time. The modem’s low power consumption keeps it efficient without producing unnecessary heat, and its compact design allows placement in tight areas. Additionally, its straightforward setup and robust wired connectivity make it a practical choice for users seeking consistent performance without the complexity of integrated Wi-Fi solutions.

Best For

This cable modem is particularly suited for home users who want to avoid recurring rental fees while maintaining a stable internet connection. Customers with cable internet plans up to 200 Mbps will find this modem meets their speed requirements reliably. Those who already own a router benefit from the flexibility to configure their own Wi-Fi network, offering control over security and coverage. Small households, single users, or anyone relying primarily on wired connections will appreciate the simplicity and dependability. Overall, it fits environments where cost savings and straightforward networking are prioritized, without needing built-in Wi-Fi or additional advanced features.

User Feedback

Users generally report satisfaction with the NETGEAR CM500 for its stable and consistent internet performance, noting that setup with compatible ISPs is typically straightforward. Many highlight the cost savings from avoiding rental fees as a significant advantage. Some users mention that while the modem excels for wired connections, its lack of integrated Wi-Fi requires an additional router for wireless needs. A few reviews indicate minor limitations with voice service support, but this does not impact standard internet usage. Overall, feedback emphasizes reliable connectivity, ease of use, and the financial benefits of a refurbished unit, making it a practical choice for budget-conscious households.

Pros

  • Users report stable wired internet connections with minimal interruptions.
  • This modem eliminates monthly rental fees, saving money over time.
  • Setup is straightforward with most major cable providers like Xfinity and Cox.
  • Compact design allows placement in tight spaces or small home offices.
  • Supports internet speeds up to 200 Mbps, suitable for typical household usage.
  • Energy-efficient operation reduces power consumption compared to older models.
  • Refurbished certification gives confidence in reliability and quality control.
  • Compatible with existing Wi-Fi routers for flexible network setups.
  • Single Gigabit Ethernet port provides consistent performance for desktops or consoles.
  • Many buyers appreciate long-term cost savings without sacrificing basic performance.

Cons

  • Limited support for voice services may inconvenience some users.
  • Only one Ethernet port restricts multiple wired device connections without additional hardware.
  • Requires a separate router for Wi-Fi, adding extra equipment and setup steps.
  • Not suitable for internet plans above 200 Mbps, limiting high-speed users.
  • Some users experienced minor delays in activation with certain ISPs.
  • Refurbished units may show slight cosmetic wear, which can concern appearance-sensitive buyers.
  • Lacks built-in Wi-Fi, which may not suit users seeking an all-in-one device.
  • Advanced network features like parental controls or QoS are unavailable.
  • Not ideal for large households needing multiple wired or wireless connections simultaneously.

Ratings

After analyzing verified user reviews from multiple countries and languages, RR-AI has compiled an objective assessment of the NETGEAR CM500 DOCSIS 3.0 Cable Modem Refurbished. Spam, bot-generated, incentivized, duplicated, off-topic, and exaggerated feedback were excluded to ensure the scores reflect authentic experiences. Both strengths and common pain points reported by global users are represented, offering insight into performance, reliability, and overall usability of this device.

Internet Speed Performance
91%
Many buyers note that this device consistently delivers high download speeds, making streaming, gaming, and video calls smooth and reliable. Users report minimal slowdowns even during peak usage periods. The fast data handling is especially appreciated by households with multiple connected devices.
Some users mention occasional fluctuations when the network is heavily loaded or when paired with older routers. A few buyers found that speeds did not always reach the maximum advertised limits, depending on their ISP plan and local infrastructure.
Connection Stability
94%
Users generally praise the stable wired connections provided by this modem, which reduces interruptions during work or streaming sessions. Many highlight that the device maintains consistent uptime, even over extended periods. Reliability in day-to-day internet usage is frequently mentioned as a key advantage.
A minority of users experienced temporary drops or required occasional reboots during network outages. Some noted that the lack of built-in Wi-Fi can limit overall network stability if the external router has issues.
Setup & Installation
88%
Many users found setup to be straightforward, with clear instructions and quick recognition by compatible ISPs. The device connects easily to existing home networks, and first-time users often report successful installation within minutes. Compatibility with routers makes the initial setup painless.
Not everyone agreed, as a few buyers encountered minor configuration hurdles when using older routers or specific ISP settings. Some reported needing additional guidance from support when troubleshooting activation issues.
Compatibility with ISPs
90%
This modem works well with major providers such as Xfinity, Cox, and CenturyLink, which users find convenient. Buyers appreciate the wide compatibility and the ability to switch ISPs without replacing the modem. Many reported smooth recognition and activation by their chosen provider.
A small number of users noted that it is not compatible with certain bundled services or regional ISPs, which limited flexibility. Some buyers experienced initial delays during ISP activation processes.
Build Quality
86%
Users comment that the device feels solid and well-constructed, with a compact form factor that fits easily in tight spaces. The durable plastic casing provides confidence for long-term use. Its lightweight design makes it easy to relocate when necessary.
A few buyers noted that the exterior can feel a bit basic compared with higher-end models. Some expressed concerns about the heat generated after extended use, although it generally remains within acceptable limits.
Value for Money
93%
Many buyers highlight that avoiding monthly rental fees makes this device a cost-effective choice. Users feel the performance and reliability justify the purchase price, particularly for households with moderate internet needs. The refurbished option provides extra savings without compromising function.
Some users noted that the upfront cost may still feel high compared with temporary rental solutions. A few buyers would have preferred more bundled accessories or extended warranty options for peace of mind.
Power Efficiency
85%
Users report that this modem consumes minimal power, contributing to lower electricity usage over time. The low heat output also helps maintain a cool environment around the device. Many appreciate the efficiency for continuous 24/7 operation.
A few buyers experienced slight warmth during heavy data use, which could be concerning in enclosed spaces. Some wished for more detailed power consumption information for energy-conscious setups.
Port Configuration
87%
The single Gigabit Ethernet port provides a reliable wired connection, which most users find sufficient for home setups. Buyers appreciate the simplicity of one dedicated port without unnecessary complexity. It ensures a stable connection for devices like PCs and smart TVs.
Some users wished for additional Ethernet ports for connecting multiple wired devices directly. Limited port options can be inconvenient for users wanting a small wired network without adding a switch.
Firmware Reliability
82%
18%
Users generally report that the device firmware runs smoothly and rarely requires updates. Stability and consistent performance are noted across different ISPs and operating systems. Minor updates are easily managed when necessary.
A small number of buyers experienced firmware glitches that required a reset. Some noted that advanced configuration options are limited, which could be frustrating for tech-savvy users.
Customer Support Experience
78%
22%
Many buyers found support helpful when activating or troubleshooting the modem, with knowledgeable staff providing guidance. Quick responses to common questions enhance confidence for first-time users. Support resources are also available online.
Not all users had a smooth experience, as response times varied depending on region and time. A few buyers mentioned difficulties accessing certain support channels or receiving inconsistent advice.
Physical Size & Design
80%
20%
The compact and lightweight design makes it easy to place this modem in small spaces or on crowded desks. Users appreciate its unobtrusive appearance and simple, functional layout. Its portability allows occasional relocation without hassle.
Some users found the design to be plain or less premium compared with higher-end models. Ventilation could be better in confined spaces, according to a few buyers.
Noise & Heat Generation
84%
Most buyers report that the modem operates quietly, with minimal fan noise or electronic hum. Its low heat output helps maintain a safe and comfortable environment. The device can run continuously without becoming disruptive.
A few users noted slight warmth after prolonged heavy usage. While not excessive, some felt that cooling could be improved in enclosed areas.
Long-Term Durability
83%
Users highlight that the device continues to function well after months of continuous operation, showing reliable long-term durability. Many feel confident in its construction for extended use. Its simple design reduces the chance of mechanical failure.
Some buyers expressed concern over wear on ports or minor plastic aging over time. A few noted that refurbishment might result in slightly shorter lifespan than brand-new models.
Voice Service Compatibility
65%
35%
For users only needing standard internet, this modem generally performs well and meets basic connectivity requirements. Some buyers found it sufficient for simple VoIP applications when paired with compatible routers.
Several users reported limited compatibility with voice services, especially bundled telephone packages, which was a major inconvenience. This restriction reduces usefulness for households relying on digital voice integration.
Ease of Troubleshooting
81%
19%
Many buyers appreciate that common issues can be resolved quickly with simple resets or by consulting online guides. The device’s straightforward design allows users to identify problems without technical expertise. Support documentation is clear and helpful.
Some users noted that troubleshooting more complex network issues can be tricky due to limited advanced configuration options. A few found that certain error messages were unclear and required additional research.

Suitable for:

The NETGEAR CM500 DOCSIS 3.0 Cable Modem Refurbished is well-suited for home users seeking reliable internet connectivity without incurring monthly rental fees. Students or remote workers with cable plans up to 200 Mbps can benefit from stable wired connections, while households that already have a router can integrate this device seamlessly into their existing network. Small families or single users who primarily use wired devices like desktops, gaming consoles, or smart TVs will find consistent performance for streaming and online work. Additionally, buyers who prefer a compact, energy-efficient modem for tight spaces or low-traffic setups will appreciate its unobtrusive design.

Not suitable for:

This modem may not be ideal for users who rely heavily on voice services or bundled telephone packages, as compatibility is limited. Households needing multiple wired connections without additional networking hardware might find the single Ethernet port restrictive. Users expecting integrated Wi-Fi coverage or advanced router features will need to provide their own equipment, which could complicate setup. Similarly, those seeking high-speed plans beyond 200 Mbps or advanced network configuration options might find this device insufficient for their requirements.

Specifications

  • Brand: NETGEAR is the manufacturer of this cable modem.
  • Model: CM500 is the specific model identifier for this device.
  • DOCSIS: Supports DOCSIS 3.0 standard for cable internet connectivity.
  • Channel Bonding: Provides 16x4 channel bonding for enhanced download and upload performance.
  • Max Speed: Handles internet plans up to 200 Mbps for downstream connections.
  • Ethernet Ports: Includes a single Gigabit Ethernet port for wired devices.
  • Wi-Fi: Requires a separate router for wireless network access.
  • Weight: Weighs approximately 1.59 pounds, making it compact and lightweight.
  • Dimensions: Measures 4.88 x 7.28 x 2.36 inches, suitable for small spaces.
  • Color: Available in black finish for neutral placement in home setups.
  • ISP Compatibility: Certified to work with major providers including Xfinity, Cox, and CenturyLink.
  • Power Consumption: Designed for low power usage during operation.
  • Refurbished Status: Certified refurbished to meet functional and quality standards.
  • System Requirements: Requires a TCP/IP network and supports Windows or Mac OS devices.
  • Setup: Easy installation with standard coaxial cable connection and power supply.
  • Reliability: Provides stable wired internet performance for small home networks.
  • Portability: Compact size allows flexible placement near cable outlets.
  • Upstream Channels: Supports four upstream channels for upload traffic.
  • Downstream Channels: Supports sixteen downstream channels for download traffic.

FAQ

The NETGEAR CM500 DOCSIS 3.0 Cable Modem Refurbished is a certified refurbished modem that connects your home to cable internet services up to 200 Mbps. It is suitable for users who want to avoid rental fees and already have a separate Wi-Fi router.

This modem works with major cable providers, including Xfinity, Cox, and CenturyLink. It may not be compatible with smaller or regional ISPs, so checking your provider’s approval list is recommended.

No, this cable modem requires a separate Wi-Fi router to provide wireless access. You will need to connect it to a router if you want Wi-Fi in your home.

This device supports internet plans up to 200 Mbps. Users on faster plans will not experience the full potential speed and may need a higher-tier modem.

Connect the modem to your cable outlet and power it on, then link it to your existing router if needed. Follow your ISP’s activation process, which may include logging into an online portal or calling customer service.

Yes, certified refurbished units are tested and verified to meet performance and reliability standards. Slight cosmetic wear may be present, but functionality is assured.

The NETGEAR CM500 has a single Gigabit Ethernet port, so only one wired device can connect directly. For multiple wired devices, you’ll need an external network switch or router.

Support for voice services is limited. If you require phone line functionality, check with your ISP and consider a modem specifically designed for telephony features.

Yes, this device has a compact design and low power consumption, making it suitable for small home offices or tight spaces without generating much heat.

This cable modem is best for small households or single users. Larger homes with many devices may experience bandwidth limitations due to the single Ethernet port and 200 Mbps speed cap.