Netgear CM500 Vs CM400

In order to reduce your Internet cost, using your own modem instead of renting the one provided by your ISP is a good idea. Netgear CM500 and Netgear CM400 are often recommended for people who want to replace their modems. So, what is the difference between Netgear CM500 vs CM400? Which one is better?

Continue reading below to learn more about:
– The design and dimensions of each model
– The maximum download and upload speeds of each model
– The available connection options on each device
– The distinctive features of Netgear CM500 vs CM400
– The compatible services and platforms of each model
– Which modem that is generally more recommended

Design
Netgear CM500 and Netgear CM400 share some resemblances in their looks. Both are colored in black. Both have green light indicators. However, they are not completely identical. See also: Netgear CM600 Vs CM500.

Netgear CM500 is a bit larger and heavier. The dimensions are 7.28 inches x 4.88 inches x 2.36 inches, and the weight is about 0.62 lbs. Compared to its sibling here, this model is more rectangular with a stricter form. Also, it has an integrated stand. It can’t be mounted on the wall.

Netgear CM400 is smaller and lighter. It measures 5.8 inches x 3.8 inches x 1.8 inches and weighs 0.44 lbs. The overall form is rectangular, but the corners are far more rounded. It has a high-gloss finish on the side. It has a detachable stand, but it can’t be mounted on the wall.

Unfortunately, Netgear CM500 vs CM400 modems don’t have any power button. As the effect, when you want to turn off the modem for an extended time, you need to unplug the power cord. This is a bit inconvenient. On the good side, both modems have a reset button, so you don’t need to unplug in order to restart. The reset button is useful for troubleshooting problems in your Internet connection.

Connectivity
In terms of connectivity, these two models are identical. They each have one Ethernet port, one coaxial port, and one power port. You need a router in order to connect multiple devices to your modem.

Each model has one Gigabit Ethernet port with the auto-sensing technology. So, once you connect your computer to the modem using an Ethernet cable, the modem can automatically detect the computer and provide the Internet access.

Alternatively, in order to connect multiple computers, you can connect the modem to a router, and then connect the router to the PCs. However, Netgear CM500 is generally better than Netgear CM400 for serving multiple computers not only because of the larger bandwidth, but also because of its advanced QoS.

Features
One distinctive feature of Netgear CM500 is the advanced QoS (Quality of Service). The advanced QoS will allow the device to split the bandwidth evenly when serving multiple computers, and to prioritize the bandwidth for particular devices or activities. You can also limit guest access on the network.

Meanwhile, Netgear CM400 does not have an advanced QoS. So, it is not really recommended for serving multiple computers. It won’t be able to prioritize bandwidth for important devices or activities. So, for example, when you are playing an online game, you may experience some lag because someone else is downloading a video and consuming the bandwidth. The amount of control over the network is more limited.

Maximum Speed
One of the primary differences between Netgear CM500 vs CM400 is their maximum download speeds. Although they both already support the latest DOCSIS 3.0 technology, they come with different numbers of channels.

Netgear CM500 boasts 16×4 channel bonding, and is said to be 16x faster than DOCSIS 2.0. Channel bonding is a technology that uses multiple channels to increase throughput and reliability. Having 16×4 channel bonding means that Netgear CM500 can use 16 channels when downloading and 4 channels when uploading.

Unsurprisingly, Netgear CM500 can deliver much higher speeds. The download speed can reach up to 680 Mbps, while the upload speed can reach up to 132 Mbps. Of course, the actual speeds that you get also depend on your ISP and the servers whose services you are using. However, if you are using a high-speed Internet service, this modem will allow you to enjoy the optimum performance.

Netgear CM400 ‘only’ has 8×4 channel bonding. It is said to be 8x faster than DOCSIS 2.0. So, Netgear CM400 has 8 download channels and 4 upload channels. It has a maximum download speed of 343 Mbps and a maximum upload speed of 122 Mbps. This modem is good if your Internet service is of a low or medium tier. However, it may cause a bottleneck effect on a high-speed Internet service, as the available bandwidth is more limited.

Compatibility
Both models here are compatible with all popular Internet services, such as Comcast Xfinity, Cox, Cablevision, and Spectrum. However, note that these models are not compatible with cable-bundled voice services. Furthermore, they are compatible with different service tiers because of their different maximum speeds.

Netgear CM500 is suitable for Comcast Xfinity of up to 300 Mbps. It can work with the Ultimate service tier of Cox and is compatible with all service tiers of Spectrum. The maximum speed is 500 Mbps on Suddenlink and 200 Mbps on Optimum Cablevision. It works with the Internet 200 of Mediacom.

Netgear CM400 is suitable for Comcast Xfinity of up to 200 Mbps. It can work with the Premier 100 service tier of Cox. The maximum speed is only 100 Mbps on Spectrum, Suddenlink, and Optimum Cablevision. It also works with the Internet 200 of Mediacom.

Both models are compatible with most computers and operating systems that can run on a TCP/IP network. Both models are compatible with Windows and macOS computers. They work with Linux operating systems as well.

Netgear CM500 Vs CM400

Netgear CM500Netgear CM400
BrandNetgearNetgear
Key features- "The Best Cable Modem" - The WIRECUTTER - Support Cable Internet Service plans up to 200 Mbps. Separate router required for WiFi. 16x4 channel bonding. - DOCSIS 3.0 up to 16x faster download speeds than DOCSIS 2.0. Number of Ethernet Ports : One (1) Gigabit Ethernet port with auto-sensing technology- Support Cable Internet Service plans up to 100 Mbps. Separate router required for WiFi. - DOCSIS 3.0 Cable Modem with 1 Gigabit Ethernet port. DOCSIS 3.0 up to 8x faster download speeds than DOCSIS 2.0 - ELIMINTE MONTHLY CABLE MODEM RENTAL FEES - Up to $120 per year
Price

Customer Rating4.0 out of 5.0 stars4.0 out of 5.0 stars
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NOTE : Product prices, availability, ratings and save money information are accurate as of the date/time indicated on post time (as seen right bellow the tittle) and are subject to change. Any price, ratings, availability and save money information displayed on Amazon Site at the time of purchase will apply to the purchase of this product.

Conclusion
In general, Netgear CM500 is more recommended. This is a better modem with higher performance. Thanks to the 16×4 channel bonding, it can provide a maximum download speed of 680 Mbps. It also comes with an advanced QoS, so it can prioritize the bandwidth for important devices or activities.

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