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Theaero

@comcast.net

SB6120 VS DPC3000

I am looking for the best possible cable modem for my Comcast 22/5 connection. I think I have narrowed down the choices to these two modems. What do you guys think is the best possible cable modem? Which would you pick between these, or out of anything else? Thanks!!

djdanska
Rudie32
Premium,MVM
join:2001-04-21
San Diego, CA
kudos:4

Re: SB6120 VS DPC3000

I have the motorola 6120 and i really like it. I rent it from comcast but if i had to buy one, that would be the one i would get. Handles poor signals very well. I'm impressed!

theaero

@comcast.net
Thanks. Just out of curiousity, does the 6120 have feet so you can lay it on its side? I hate how my older surfboards would always tip from the crappy design.

Anymore info / reviews / comparisons for the best cable modem would be greatly appreciated =D

djdanska
Rudie32
Premium,MVM
join:2001-04-21
San Diego, CA
kudos:4

Re: SB6120 VS DPC3000

No, mine just lays flat. Doesn't stand up. Not sure if it came with it though. I doubt it though.

nate1234

join:2008-08-21
I havent heard anyone complain about the DPC3000. I have heard people complain about the SB6120. I would go wit the DPC3000. Make sure you dont get an Ambit/Ubee.

Theaero

@mycingular.net
Would love more info on these two asap. Buying today and need to make a choice. Would love pros and cons of both. Thansk!! Sry for the impatience.

nate1234

join:2008-08-21

Re: SB6120 VS DPC3000

well. They are both pretty much the same. I would go with the cisco, I have had issues with the SB6120. (the DPC3000 has a better web interface too, it give you more info)

EG
The wings of love
Premium
join:2006-11-18
Union, NJ
kudos:9

Re: SB6120 VS DPC3000

said by nate1234:

(the DPC3000 has a better web interface too, it give you more info)
Till CC decides to cripple the firmware...

nate1234

join:2008-08-21
Why not just rent a modem?

Johkal
Cool Cat
Premium,MVM
join:2002-11-13
Happy Valley
kudos:5
Reviews:
·Comcast

Re: SB6120 VS DPC3000

said by nate1234:

Why not just rent a modem?
That's a personal choice that has been debated too many times.
--
Write me up a 125.......I Can't Drive 55 »redrocker.com/ »cabowabo.com/

Ripper
Premium
join:2002-02-07
West Palm Beach, FL
If your rental is $3 a month it's something to consider, but down here it's $5 a month, so most people I know with Comcast HSI, own them.

Ripper
Premium
join:2002-02-07
West Palm Beach, FL
Reviews:
·Comcast
I just ordered the SB6120 after the big price drop, from »www.compuplus.com/i-Motorola-SUR···uredProd . I could not find the DPC3000 for sale on the web. I'll update when I get it.

Theaero

@mycingular.net
I might rent. Comcast offers both. I can't really find much info or reviews on the dpc3000. I have read about problems with the sb6120, and nothing really about the dpc. Any last minute advice is appriciated. Thanks.

Johkal
Cool Cat
Premium,MVM
join:2002-11-13
Happy Valley
kudos:5
Reviews:
·Comcast

Re: SB6120 VS DPC3000

If you want an opinion, I've owned Motorola, Cisco & Linksys gear. Linksys now owned by Cisco is tried and true when it comes to gear. I own many modems currently for testing and I will say that Cisco/Linksys has always required less firmware updates than Motorola & usually provides more diagnostic info.
--
Write me up a 125.......I Can't Drive 55 »redrocker.com/ »cabowabo.com/
Matthewb

join:2000-02-09
Crofton, MD

1 edit

Re: SB6120 VS DPC3000

said by Johkal:

If you want an opinion, I've owned Motorola, Cisco & Linksys gear. Linksys now owned by Cisco is tried and true when it comes to gear. I own many modems currently for testing and I will say that Cisco/Linksys has always required less firmware updates than Motorola & usually provides more diagnostic info.
I agree 100% Johkal. I am waiting for a Linksys docsis 3 modem to come out / become affordable to switch. I am assuming the new Linksys modem will show the provisioned rates. This has been very handy in the past when dealing with Comcast.
--
Matt

EG
The wings of love
Premium
join:2006-11-18
Union, NJ
kudos:9

Re: SB6120 VS DPC3000

said by Matthewb:

I am assuming the new Linksys modem will show the provisioned rates. This has been very handy in the past when dealing with Comcast.
That depends on if, and how much CC alters/modifies the original Linksys stock firmware load..
ajwees41
Premium
join:2002-05-10
Omaha, NE
said by Matthewb:

said by Johkal:

If you want an opinion, I've owned Motorola, Cisco & Linksys gear. Linksys now owned by Cisco is tried and true when it comes to gear. I own many modems currently for testing and I will say that Cisco/Linksys has always required less firmware updates than Motorola & usually provides more diagnostic info.
I agree 100% Johkal. I am waiting for a Linksys docsis 3 modem to come out / become affordable to switch. I am assuming the new Linksys modem will show the provisioned rates. This has been very handy in the past when dealing with Comcast.
I don't think you will see one since Lnksys/SA/Cisco are the same company now.

Johkal
Cool Cat
Premium,MVM
join:2002-11-13
Happy Valley
kudos:5
Reviews:
·Comcast

Re: SB6120 VS DPC3000

Linksys WCM300:

»www.cisco.com/en/US/prod/collate···84b.html

Not a great price at this site, but available:

»www.cdwg.com/shop/products/defau···=1535158
--
Write me up a 125.......I Can't Drive 55 »redrocker.com/ »cabowabo.com/

Ripper
Premium
join:2002-02-07
West Palm Beach, FL
Reviews:
·Comcast

Re: SB6120 VS DPC3000

I found this one for $309.76 here »www.costcentral.com/proddetail/C···froogle/ But I think I'll stay with the cheap Motorola for now.
ajwees41
Premium
join:2002-05-10
Omaha, NE
will comcast let that one be used? Cox only has two D3 modems approved so far.

Theaero

@mycingular.net
I might rent. Comcast offers both. I can't really find much info or reviews on the dpc3000. I have read about problems with the sb6120, and nothing really about the dpc. Any last minute advice is appriciated. Thanks.

Cjaiceman
Premium,MVM
join:2004-10-12
Parker, CO
kudos:2

Re: SB6120 VS DPC3000

I think you are hearing about the SB6120 issues because that seems to be the modem of choice for Comcast. I think there are just more on the network and they are easier to get, and as there are more of them in the wild you are just hearing about the ones that are having issues. Really though, they both seem to be good modems. Flip a coin if you really want, I chose the SB6120 because my SB5100 lasted for 5 years without any problems, all my Motorola Cell phones have been rock solid, but Cisco equipiment is really sound too. The SB6120 is easier to buy if your going that route.
--
Duct tape is like The Force – it has a light side and a dark side, and it binds the Universe together
scajjr

join:2005-03-01
Kingston, NH
Reviews:
·Comcast
Granted I've only had my 6120 for a week (bought it) but I love it. Speed increased, it's GB WAN connected to the GB WAN on my new Buffalo router makes all my computers fly on the web.

All my cable modems have been Motorola over the past 10-12 years and have never had a problem.

Sam

theaero

@comcast.net
Decided on the 6120. Heres my information... something doesn't feel right. I feel like it should be faster.

Downstream Bonding Channel Value
Channel ID 206 205
Frequency 603000000 Hz 597000000 Hz
Signal to Noise Ratio 37 dB 36 dB
Downstream Modulation QAM256 QAM256
Power Level
The Downstream Power Level reading is a snapshot taken at the time this page was requested. Please Reload/Refresh this Page for a new reading
3 dBmV 3 dBmV

Upstream Bonding Channel Value
Channel ID 3
Frequency 37000000 Hz
Ranging Service ID 931
Symbol Rate 5.120 Msym/sec
Power Level 51 dBmV
Upstream Modulation [3] QPSK
[3] 64QAM

Ranging Status Success

Signal Stats (Codewords) Bonding Channel Value
Channel ID 206 205
Total Unerrored Codewords 21713214 21713248
Total Correctable Codewords 48 0
Total Uncorrectable Codewords 1579 1475

Is it normal that I am only bonded to two channels, and not 3 or 4? . Is there anyway to bond to more? Do power levels and signal levels look ideal? I feel like my ping is very high for most servers (at my old house w/ 12/2 comcast, I was pinging 9-17 to seattle servers and no more than 25 to any server in washington state. Now I am in bellevue and I am pinging over 35-45 to even the closest servers.

Dspairl
Premium
join:2004-06-09
Norwich, CT

Re: SB6120 VS DPC3000

said by theaero :

Is it normal that I am only bonded to two channels, and not 3 or 4? . Is there anyway to bond to more? Do power levels and signal levels look ideal? I feel like my ping is very high for most servers (at my old house w/ 12/2 comcast, I was pinging 9-17 to seattle servers and no more than 25 to any server in washington state. Now I am in bellevue and I am pinging over 35-45 to even the closest servers.
I believe Ultra 22/5 only bonds 2 channels and the Extreme 50 bonds 4 channels.

EG
The wings of love
Premium
join:2006-11-18
Union, NJ
kudos:9

Re: SB6120 VS DPC3000

said by Dspairl:

I believe Ultra 22/5 only bonds 2 channels and the Extreme 50 bonds 4 channels.
To my knowledge, it is not speed tier/package specific. It is a function of both the CMTS's capabilites, and the way that a CC local area chooses to configure it.
jsgiv

join:2009-03-01
Woodstock, GA

Re: SB6120 VS DPC3000

said by EG:

said by Dspairl:

I believe Ultra 22/5 only bonds 2 channels and the Extreme 50 bonds 4 channels.
To my knowledge, it is not speed tier/package specific. It is a function of both the CMTS's capabilites, and the way that a CC local area chooses to configure it.
I've had the SB6120 (ordered/owned - not rented - DPC3000 was not available for purchase at the time) for almost 2 months now.

The modem itself has been rock-solid (knock on wood) - was up for 23 days straight before I forced rebooted it the other day to see if it'd pull down the latest firmware (which it did).

I'm on 12/2 tier - 3 bonded channels down / 1 channel up. Speedtest.net tests have been consistently ~15.9/9.5.

Initial reports on the 'net related to the SB6120 indicated problems with an older firmware (pre-1.0.1.7). Mine came with 1.0.1.7 - and no issues / lag / etc. Currently - I'm running 1.0.1.8 and no issues since the "upgrade".

Definitely recommended - but as others have stated - Cisco is a great brand too (if you can find the unit you want for sale).

hata28

join:2008-12-16
Philadelphia, PA

2 edits
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I only bonded 3 DS with this new Arris Modem and I am on Ultra getting a max speed of 3 Mb/s download from RS or MU premium acct.

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