The following cable modem buying guide will help you make up one's mind which modem you lot should choose as your network device. Larn about various factors like ISP (internet service provider) compatibility, modem channel bonding, and the modems to avoid when selecting the correct cable modem for you.
Notation: ApprovedModemList.com may receive a small commission from chapter links, which helps to keep this website online.
Choosing the Right Cable Modem in 3 Steps
Step ane: Internet service provider Compatibility
First of all, you should consider ISP compatibility. When choosing the right cablevision modem, make sure your ISP has approved the modem for utilize on their network. Many people think any modem will work with their service provider. In nearly cases, this is non true, so use a certified modem (links to Isp approved modems listed below).
Armstrong
Blue Ridge
Breezeline
Charter Spectrum
Comcast XFINITY
Cox
GCI
Grande
Mediacom
Midco
Optimum
RCN
Sparklight
Suddenlink
Wave
WOW!
Step two: Speed Cistron
Consider your internet speed. If your internet plan produces a 300 Mbps speed, an viii×4 channel modem (with a max theoretical speed of 343 Mbps or about 215 Mbps in actual speed) would non become you your full speed you are paying for with your Internet access provider. However, a 16×4 channel modem (max theoretical speed of 686 Mbps or nigh 372 Mbps in bodily speed) would allow you to attain your full speed.
Keep in heed, some internet service providers will increase your speed for free for various reasons. DOCSIS iii.0 modems volition somewhen become cease-of-life, so it is strongly recommended to purchase a DOCSIS 3.one modem. Some ISPs have already moved to sectional use of DOCSIS 3.1 devices.
Fifty-fifty if your modem is capable of a faster speed than your current internet programme (e.thousand. a DOCSIS 3.1 modem), hereafter-proofing benefits you in time. Read more beneath about advertised modem speeds.
Stride 3: Avoid Intel Puma Chipset Modems
Many cable modems include Intel Puma half-dozen chipsets that accept known issues with network latency and network jitter. Yous may read more about the bug on the Intel Puma six chipset defects folio, which also contains the full bad modems list (the exercise not purchase list). To point a bad modem, ApprovedModemList.com volition mark an Intel Puma chipset modem with a ♦ symbol.
Things You Should Know Nigh Cable Modems
Why Buy Your Own Cable Modem?
The get-go reason to purchase your ain modem is to save money. ISPs may accuse up to $fifteen a month to hire one of their sometime modems. Therefore, you can save upwards to $180 a year on rental fees. Of course, those rental fees will continue to increase every year too.
After five years, you could save up to $900!
The second reason for buying your ain device allows you to pick which features you want in your modem, as opposed to the ISP forcing a limited features modem on you. Therefore, yous have control over the make and specifications of the modem.
Inaccurate Advertised Speed Claims
Even though cable modem manufacturers state a certain speed on their modem packages, those speeds are usually unobtainable. For example, the NETGEAR CM400 modem states a speed on the package up to 340 Mbps. However, ISPs will limit this speed for various reasons. Comcast states the CM400 will actually reach speeds upwardly to 215 Mbps on their network.
The speed you get will simply be a sure percentage of the stated package specification. Why is that? Various factors like the blazon of server, total number of users on the network, computer equipment, services offered by the internet provider, and other factors volition throttle the full output of your modem speed.
Keep in mind that the stated data rate (download and upload speed) is just a maximum theoretical number.
Even DOCSIS 3.1 modems may annunciate speeds of 6 or x Gbps, yet the ISPs will limit these cable modems to ii.5 Gbps or slower due to network capabilities.
Cable Modem Channel Bonding
When you see a modem with xvi×four channel bonding, that means information technology has 16 channels for downloading and four channels for uploading.
The rule is simple – the more channels a modem has, the faster the data rates will be. So, a 16×iv channel modem achieves a faster data charge per unit than an 8×4 channel modem.
In other words, the more data channels your modem has, the more speed the ISP tin can push to your abode (if you have purchased the fastest speed tier from your Internet service provider).
The chart beneath explains the speeds for each channel tier.
| Channels (DOCSIS 3.0) | Max Theoretical Speed |
|---|---|
| 4×four | 172 Mbps |
| 8×4 | 343 Mbps |
| xvi×4 | 686 Mbps |
| 24×8 | 1 Gbps or 1000 Mbps |
| 32×eight | 1.four Gbps or 1400 Mbps |
| two×two OFDM/OFDMA (DOCSIS 3.ane) 32×8 (DOCSIS 3.0 mode) | 10 Gbps or 10,000 Mbps |
ISPs apply the data channels of the modem to deliver the cyberspace to your home. The internet is like a highway and bottlenecks and slows during summit hours. However, having more lanes of traffic or information channels allows you to avoid congestion and keeps your total download speeds going.
DOCSIS 3.0 vs. DOCSIS 3.1
Data Over Cable Service Interface Specification (DOCSIS) allows for the transporting of data over a coaxial cable (internet service).
The most widely used format by cable internet providers remains DOCSIS iii.0. Virtually ISPs back up DOCSIS 3.1, although some neighborhoods may accept to expect years earlier DOCSIS 3.1 capability reaches them.
The main difference betwixt DOCSIS 3.0 and 3.1 is the capable speeds. Comcast states that a DOCSIS three.0 32×8 aqueduct modem volition reach actual speeds of about 935 Mbps on their network. While a DOCSIS 3.1 modem will accomplish a speed of thou Mbps or i Gbps or faster. If you want speeds in excess of i Gbps (for future-proofing), you lot need a DOCSIS 3.ane modem.
DOCSIS 3.i features backwards compatibility with a DOCSIS iii.0 network. So, if your Internet service provider has not yet upgraded to DOCSIS 3.i, a DOCSIS 3.1 modem volition still part on a DOCSIS 3.0 network.
Pros and Cons of Combo Modem and Router Devices
Many network devices classify as philharmonic units. In other words, a cable modem and a WiFi router combined into 1 device. The list below contains the pros and cons of these devices.
Pros:
- Less clutter (i less power cable and one less device)
- Less hassle to set up up since there is only i device
Cons:
- If either the router or modem fails or becomes obsolete, yous have to replace the entire device
- Locked into the capabilities of a nearly likely limited WiFi router, as opposed to buying a separate, better WiFi router with more than advanced features
Consequently, it is ordinarily cheaper and easier to upgrade modems and routers separately.
Cable Modems vs. DSL Modems
DSL applied science is older and slower. Most DSL providers are non in a hurry to upgrade their phone lines. If you have a selection of internet service providers, choose a cable internet company. A few cable modems are capable of reaching speeds beyond thousand Mbps (or one Gbps). DSL cannot compete with the ultra fast speeds of cable internet (or fiber internet).
Cablevision Modem Care
Modems require piffling care. The near important thing to remember is that cable modems can get actually warm. Do not block the vents on the cable modem. Also, brand sure you have enough ventilation circulating around the device.
Finally, do not leave modems nigh rut sources. Your modem should office properly without any other maintenance (other than occasionally dusting the device).
Popular Brands
Cablevision modems come up from several manufacturers, merely the most popular ones are ARRIS, NETGEAR, and Motorola. If you are looking for a company to support your device for the next several years, those mentioned earlier are your all-time bets.
Warranties will range from one-year to ii-years from the modem manufacturers. Cable modems rarely neglect as long every bit they do non go too hot. Also, if you purchase a new modem from Amazon, they will offer an inexpensive extended warranty (simply a few dollars to add three or four-year coverage).
Brand New vs. Used Modems
Avoid purchasing a used modem. A pre-owned modem may not have been deactivated from the previous owner's account, which will likely get out you with a worthless device. Plus, with a used modem, you have no thought of the condition of the equipment. The previous owners' may take immersed information technology in liquids or encountered some other disastrous event with the modem; information technology could be a fire take chances! Always purchase a new modem to avert hassles.
Summary
To help you decide which cable modem to choose, please follow the 3 steps at the top of this folio.
To summarize:
- ISP Compatibility
- Speed Factors
- Avoid Intel Puma Chipset Modems
With the many options for modems, reviewing your Internet access provider approved modems page may help with deciding which modem is right for you. The best DOCSIS 3.one cable modem today belongs to the Motorola MB8600, which nearly major ISPs support.
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