DOCSIS 3.0 Vs DOCSIS 3.1: Which One Is Best For You? [New 2021]


You must be aware of the distinction between DOCSIS 3.0 and DOCSIS 3.1 before purchasing a modem.

When you take a look at modems available on the current market, you might observe that many of them record features like Docsis 3.0, Docsis 3.1, or a different variant.

It is not typically quite clear what this attribute is, mainly if you are not a technologically inclined individual.

Let Colorfy take a close look into what this is to know how it could assist you.

What’s DOCSIS 3.1?

DOCSIS 3.1 is a successor to DOCSIS 3.0 so that it provides high-speed internet, capacities, and safety.

Using a great DOCSIS 3.1 modem and community, it is simple to touch download speeds up to 10 Gbps and upload speeds up to 1 Gbps, which can be considerably higher than what you could have experienced on DOCSIS 3.0.

The majority of the DOCSIS 3.1 cable modems include a channel bonding that uses 32 downstream channels and eight upstream channels. Although they are not useful if you do not have a gigabit web link, you will then experience high equilibrium if you have one.

Additionally, most modem/router manufacturers sell stand-alone modems whenever they utilize DOCSIS 3.1 technologies, so it can be rather tough to locate a router and modem combination. Additionally, it suggests that you may need to find a different WiFi router. Although, some recently launched modems like the Arris SurfBoard SB8300 include both.

To utilize DOCSIS 3.1, you will have to get a cable internet service provider that’s implemented the technology/infrastructure in your region. You will also need to find a modem that supports it, which might be somewhat more expensive compared to DOCSIS 3.0 modems.

Launched in October of 2013, this tech is likely to continue for ten or more decades, making them potential proof. Their amounts are less of now since most businesses don’t create DOCSIS 3.1 cable modems, but that can change in the next several years. DOCSIS 3.0 has been on the decline for many years, and it’s merely a matter of time until it’s closed down entirely.

What’s DOCSIS 3.0?

DOCSIS 3.0 was released in August of 2006, making it very old as of now (it is a predecessor to 3.1)

However, take away nothing from its capabilities. It may touch download speeds up to 1 Gbps and upload speeds up to 300 Mbps.

The speediest DOCSIS 3.0 modem may have a max of 32 downstream and eight upstream stations, making it perfect for practically any sort of online activity. Be it gambling, streaming, or browsing. You’ll have the ability to do everything at the same time, even on many different apparatus.

DOCSIS 3.0 modems begin from approximately 50 bucks and move all of the ways around 400 dollars for the very best ones. But, I do not believe most men and women want that speed. Usually, a modem of about 150 bucks is just fine. If you’re getting a combo, you have to invest $20-50 more based on the version.

The 50-60 buck DOCSIS modems have 16×8 or four ×4 stations for upload and download, making them usable just for low-level packs such as 100 or even 200 Mbps. I’d advise that you invest in these, only if you’re tight on budget.

Otherwise, have a modem with at least 16 downstream and four upstream channels since it’s going to be future proof to some degree, and you’ll have the ability to update your plans if required.


The expression DOCSIS stands for “Data Over Cable Service Interface Specification.”

This can appear to be a confusing term, but the notion of Docsis is very straightforward.

It is possible to consider this Docsis variation as a very general notion of the type of rate you may expect the modem to have the ability to reach.

These days, we’re at a space somewhere between Docsis 3.0 and 3.1.

Most programs require using Docsis 3.0 to operate at a minimum.

Modems that have a Docsis variation less than 3.0 will not even have the ability to connect to most programs, and it is unlikely you will need them to because they won’t offer you a good deal of speed.

On the flip side, modems using Docsis 3.1 might not be required for many plans at this moment, but they frequently work with 3.0 programs and allow for space to grow.

What Exactly Makes DOCSIS 3.0 OFFER?

As mentioned before, Docsis 3.0 is a variant that’s used most frequently nowadays.

It is equipped to supply quite a fair quantity of speed.

In precisely the same, these modems can typically permit for 1 Gbps speeds.

Nevertheless, most programs that operate with Docsis 3.0 do not quite achieve that highest degree, but in no way ensures they are slow!

Another feature that assists in providing lots of rates comprises the upstream and channel stations.

These stations are used for your downloads and uploads, making sure that each gets lots of speed.

Typically, Docsis 3.0 modems can provide 2, 8, or 4 upstream channels based on the version.

They might also provide up to approximately 24 downstream channels to maintain your downloads as fast as you want.

Remember that the modem itself is not what determines your online speeds. Your strategy may also play an integral role.

What Exactly Makes DOCSIS 3.1 OFFER?

Docsis 3.1 could be considered the near future for online speeds.

What that means is that as the rates available on internet plans grow, modems utilizing this edition of Docsis will have the ability to maintain.

If you seek to be at the forefront of this technology tide, Docsis 3.1 is everything you would like to search for.

In comparison to Docsis 3.0, Docsis 3.1 is exceptionally powerful.

Modems utilizing this variant will have the ability to manage to 10Gbps, and it can be some great speed.

For the most part, rates similar to this are not often seen, but they might be potential later.

Considering how in which the world wide web has grown since its beginning, it is not unreasonable to anticipate that it will not be long until the 3.1 is workable and Docsis 3.0 is something of the past.

Furthermore, it’s worth noting that you may use modems on this variant even on programs that seem to be geared towards 3.0.

It’s backward compatible, which means that you won’t need to be concerned about it not being a viable choice for the current internet speeds.

It might not be living up to its real potential, but you are going to be prepared when net strategies to catch up!

Are there any drawbacks to using DOCSIS 3.0 in 2021?

One of the main drawbacks of using DOCSIS 3.0 in 2021 is the lack of compatibility using Gigabit plans. Cable internet service providers to make sure that their devices can take care of these high speeds of data, but it’s legitimate only in rare instances. You’ve got to be in certain spots in large cities to get these rates, rather than everybody, or each place shall have DOCSIS 3.1 implemented.

The modems that encourage Gigabit speeds often run hot, which makes them burn out over a year. So, it truly isn’t a wise option to elect DOCSIS 3.0 when you desire the very best rates.

Additionally, there are programs in certain areas that go nicely over 1 Gbps concerning rate, and I’d recommend such folks not to waste their cash on DOCSIS 3.0. Its upper limit is 1000 Mbps, and it hardly manages to touch that, so in these cases, proceed for DOCSIS 3.1 only.

However, I don’t see any noticeable differences in either the DOCSIS model since most cable net providers still offer you high speeds up to 1Gbps on DOCSIS 3.0 infrastructure. But should they update their infrastructure and raise rates to 10Gbps (max DOCSIS 3.1 rate), it may make sense.

If you don’t wish to use it for Gigabit speeds, it should be a perfect selection. Pick a strategy of about 600 Mbps, and it’ll do the job just fine. Moreover, Gigabit programs aren’t available as quickly as you would think since this technology continues to be expanding. Consequently, if you reside in such regions where it isn’t available, proceed with DOCSIS 3.0. It’ll be a lot less costly than a DOCSIS 3.1 apparatus.

What are the drawbacks of using DOCSIS 3.1?

DOCSIS 3.1 is a new technology. Also, it has quite a ways to go before it becomes perfect for the general people. The very first issue with it is that it’s expensive.

Even the most fundamental of DOCSIS 3.1 cable modem will cost you about 180 bucks, and not many folks can manage this price. And, it is going to be only a cable modem, because there aren’t any modem router combos which you may pick. So, there’s an extra cost of purchasing a Gigabit router in addition to the 3.1 modems.

The next problem with a 3.1 modem is that it’s too forward of ISP businesses. Yes, it may take care of them a couple of Gbps of rates, but its top limit is 10 Gbps. It may take five or maybe ten years for the businesses to catch up with it, and from that time, your modem will get obsolete. Newer modems could have come, which are substantially cheaper and extend large quality-price ratios.

The very best method to sum-up DOCSIS 3.1 modems is unfinished. They’re immaculate and have a very long way to go before getting good enough to the general people.

But if you would like the very best of rates, and therefore are content to replace this apparatus every two decades, proceed with the purchase price. You’ll find the most significant potential upload/download speeds. I believe such high numbers are crucial just for players and streamers, and they’re the only ones that need to be spending this sum of money on those modems. Besides these individuals, I would suggest you wait just a tiny bit more. Allow the apparatus to evolve, and when the time is correct, make the buy.


Can I Want DOCSIS 3.1 Cable Modem for Gigabit Support?

Even though DOCSIS 3.0 can support Gigabit rates in a lab surroundings as one consumer, DOCSIS 3.1 modems using OFDM technologies is required for Gigabit support for Virtually Every ISP in the US

What’s the Price of DOCSIS 3.1 Gigabit Modems?

Many DOCSIS 3.1 Cable Modems are in the $150-200 Range (Modem Just) and will get cheaper since there are far more competitors coming into the marketplace

Can it be a fantastic time to buy a DOCSIS 3.1 modem?

2019 is a very time to obtain a DOCSIS 3.1 modem. These modems will last you few years for Internet wants

Should I purchase DOCSIS 3.1 modem for reduced ISP speed packs?

Yes, Preferably in the event that you’re able to afford it. In case you’ve got 250 Mbps and over the agency, DOCSIS 3.1 will improve rates, signal reliability, and levels

What’s DOCSIS 3.1 better compared to DOCSIS 3.0 technology?

DOCSIS 3.1 technologies improve the general efficiency of their HFC system and so raises the potential significantly. Even though DOCSIS 3.0 technology supports up to 256 QAM (8 bits/symbol), DOCSIS 3.1 technology supports up to 4096 QAM (12 bits/symbol) thus providing the capability to radically increase the system capacity.

Do you want to deploy DOCSIS 3.1 technologies from the upstream and downstream concurrently?

No, DOCSIS 3.1 technologies are backward compatible with DOCSIS 3.0 technology. A DOCSIS 3.1 downstream can function with a DOCSIS 3.0 upstream along a DOCSIS 3.1 upstream can function with a DOCSIS 3.0 downstream station.

Do you want to update the cable plant to set up DOCSIS 3.1 tech?

No, DOCSIS 3.1 tech doesn’t need any updates to the HFC plant so as to operate. DOCSIS 3.1 technology may capitalize on HFC network updates to improve community capacity.

Will you need to enlarge the upstream to set up gigabit support at the downstream station?

The present 5-42 MHz upstream channel provides an adequate ability to deploy gigabit providers downstream.

Read also: Top 10 Best Wireless Routers for Home Office in 2021

WHICH ONE IS THE Right for You?

So, involving DOCSIS 3.0 vs. DOCSIS 3.1, which is the best choice?

Among the first things, you will want to consider when deciding on a Docsis variant is how far you utilize it.

If you are only the occasional browser or streamer, then chances are a modem with 3.0 is a lot.

On the flip side, professional players and weighty internet users might want to reach ahead of 3.1.

Then consider the current online plan you’ve got or the plan that you desire.

If the plan’s rate is significantly less than 1 Gbps, you will do just fine without paying the expense of 3.1.

Meanwhile, rates at 1 Gbps or over will probably need 3.1 anyway.

Price is another vital facet of deciding on a purchase.

Because of the cost of 3.1 modems and programs that use rates to take it, many people may choose Docsis 3.0 to spend less.

Video: The 10 Gigabit Cable Modem!

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Last update on 2023-12-11 / Affiliate links / Images from Amazon Product Advertising API

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