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ARRIS Group, Inc > 
Item#: N82E16825122014
ARRIS SBG6580 SURFboard Wireless Cable Modem Gateway
  • Compatible with Time Warner, Comcast, Charter, Cablevision, and others
  • Integrated 802.11n Wi-Fi, Dual Band
  • Capable of downloading speeds well over 300 Mbps
  • Four Gigabit Ethernet Ports
  • DOCSIS 3.0
  • $134.99
  • $123.35
  • Save: $11.64 (9%)
  • Free Shipping (restrictions apply)

2 out of 5 eggs Get your own router and just get the Modem-only version 06/04/2013

This review is from: ARRIS SBG6580 SURFboard Wireless Cable Modem Gateway


Modem works most of the time.
Multiple Ethernet Ports for wired LAN connectivity


Absolutely Horrid Wi-Fi performance if you aren't in line of sight and within 10-15 feet of this thing. I have had TWC replace this modem twice because I thought it was defective. Turns out its just built in wireless that is awful.

I do get connectivity hiccups that I didn't have before when I was on Docsis 2.0 (different modem). They are infrequent, but of course, they are annoying when it happens (get dropped from games, lose terminal acces, etc..)

The device itself gets quite warm. Make sure to give it some room to breathe.

The router on this device is extremely limited. Don't expect anything like QoS or VPN from this thing.

Other Thoughts:

I used to have Docsis 2.0 service from TWC. At that time I had a simple modem from them, and I used my own Linksys WRT54G for my Wi-Fi and Routing. My network was rock solid with that setup. Ever since moving to this modem after upgrading to Docsis 3.0 service, my local network wireless connectivity has suffered immensely. Streaming Netflix and Youtube from the bedroom is no longer possible. Being less than 20 feet away and around 1 corner will drop speeds to less than 1 mbit/s (30mbit within 8 feet and line of sight). Its unacceptably bad. Having gone through 3 of them, I can say that its just the modem. I know that people like the all-in-one package, but honestly, get the modem only version and get your own wi-fi router for better performance.

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  • Jonathan K.
  • Owned For: more than 1 year

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Computer Hardware > 
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ARRIS Group, Inc > 
Item#: N82E16825122014
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