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Cable Modem+WiFi vs two separate devices

post #1 of 5
Thread Starter 
I am switching from CenturyLink to Comcast and am wondering what modem/ router to get. Are there any benefits on getting two separate devices (Modem and Router) vs just one device such as the ARRIS SURFboard SBG6782AC DOCSIS 3.0 Cable Modem/ Wi-Fi AC1800 Router?

I'm also looking at the TP-LINK Archer C7 AC1750.

I do some heavy online gaming as well as streaming HD movies. My gaming PC will be hardwired while my roommates PC (also a gamer) will be over WiFi.

Thanks in advance for your thoughts! I am relatively new to the cable modem/ router game since I was stuck with the CenturyLink device all these years. Any good links for noob reading material are also appreciated. thumb.gif
post #2 of 5
Just depends on your location and your preference. Where I am living here in Houston Comcast supports up to 24 bonded lanes from what I have seen. So I got one of these babies to somewhat future proof myself Arris Surfboard SB6190. It supports up to 36 bonded lanes so I got some headroom in the case Comcast ups their game here at my location. Now I already own a Asus RT-AC68 so had no need to go for a combo... But usually combos are a bit expansive and the router portion of the combo are usually not as good if you went for a dedicated router. I pay for 75 down but usually get about 90 this after going for the modem listed above instead of the Comcast ones which are capped at 8 bonded lanes if I am not wrong.

I am no pro at networking but my 2cents.gif on the matter would be to go for a good modem that supports the amount of bonded lanes available in your are and then get the router separately depending on your needs.

Here is a page that has a lot of people reporting the amount of bonded channels they have at their location but if you look around you can figure out how to find that out yourself as well.
https://www.dslreports.com/forum/r29743167-Signals-Report-16-24-32-Downstream-Channel-Bonding-Here
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post #3 of 5
Thread Starter 
Quote:
Originally Posted by brazilianloser View Post

Just depends on your location and your preference. Where I am living here in Houston Comcast supports up to 24 bonded lanes from what I have seen. So I got one of these babies to somewhat future proof myself Arris Surfboard SB6190. It supports up to 36 bonded lanes so I got some headroom in the case Comcast ups their game here at my location. Now I already own a Asus RT-AC68 so had no need to go for a combo... But usually combos are a bit expansive and the router portion of the combo are usually not as good if you went for a dedicated router. I pay for 75 down but usually get about 90 this after going for the modem listed above instead of the Comcast ones which are capped at 8 bonded lanes if I am not wrong.

I am no pro at networking but my 2cents.gif on the matter would be to go for a good modem that supports the amount of bonded lanes available in your are and then get the router separately depending on your needs.

Here is a page that has a lot of people reporting the amount of bonded channels they have at their location but if you look around you can figure out how to find that out yourself as well.
https://www.dslreports.com/forum/r29743167-Signals-Report-16-24-32-Downstream-Channel-Bonding-Here

Thanks for the answer! I decided to go with two separate devices following your advice. I'm going with the ARRIS SB6183 for modem.

Still trying to decide on a router that won't break the bank. The three routers I am looking at that are within my budget are

Netgear AC1750 R6400

ASUS RT-AC66U 1750

Tenda AC15 Wireless-AC1900
post #4 of 5
Never heard of Tenda... Asus are popular... at least my 68U performs quite well. You can get the white one usually for a lot cheaper than the black one. But It is really up to you both Asus and Netgear should do fine...
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post #5 of 5
Thread Starter 
Ultimately I will probably go with a Netgear CM600 modem (24 bonded channels) and Netgear R6400 router.

I gave the Arris SB6183 (16 bonded channels) a shot but for some reason my DL speeds would drop to an abysmal 10Mbps from time to time and I had to powercycle it to get back to 150Mbps. (I am on Comcast 150/10, Blast Pro and consistently get speeds of 180Mbps). According to the DSL reports page you kindly linked to, Comcast supports 24 bonded channels in my area although most Customers report seeing only 16 on their 24 bonded channel capable modem.

On the one hand DOCSIS 3.1 is around the corner, but then I'm not sure if it is worth it sticking it out with my current SB6183 and getting a modem which supports 3.1 in a few months, or if I should just go with the Netgear CM600 without worrying about upgrading to 3.1 capable hardware at some point. From what I understand upgrading to a 3.1 modem is really only needed if one plans to get a Gigabit plan (Comcast offers a 2 Gigabit plan for $300, which is far beyond my financial reach).

Also, in regards to bonded channels, it seems to me a 16 channel modem might be sufficient without any need to go with a modem which supports more channels? This is based on my anecdotal observation that I consistently get 180Mbps down and 12Mbps up on my 16 channel modem. In other words, more bonded channels merely give you more headroom in case of data congestion, in order to still reach the speeds you are subscribed to, correct?
Edited by 8bitG33k - 6/9/16 at 10:52am
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