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This concerns the Arris SBG-7580-AC.
In late December I decied to ditch the $11 fee and get my own modem. After initially starting off well, this modem has started to offer really poor service....hardline will typically get 250 mbps down, but WIFI gets about 40 mbps down; across multiple devices sitting right next to the modem.
Arris blamed Comcast for not having sufficient power on the line. Got Comcast guy out here and he tested for 2.5 hrs and probed, put on another modem, etc. The conclusion. The modem.
Get back with Arris customer service and get the run around. Long story, after arguments, supervisor discussions, they are sending me a new modem at MY expense. Some warranty. A really poor company. Plus I have to pay shipping back. A total all around hose job by the folks at Arris.
I picked the Arris modem off of the Comcast recommended list. There's no way Comcast should be recommending modems that have a bogus warranty like this - that the user has to pay costs to enforce. Just totally ridiculous. Way past ridiculous.
Just avoid Arris altogether.....they'll admit a substandard product, but then make me pay to deal with it.
Fun fact: The SBG7580AC is basically the same as the Arris TG1682G that is leased by comcast. The issue with both is the Intel Puma 6 chipset used by both (do a google search to find out how really bad this chipset it). You're gonna want to find a modem/gateway with a Broadcom chipset, or an Intel Puma 7 chipset (Docsis 3.1 only)
Hello @WebTraveler. Thank you for sharing your thoughts about this modem. This information is very helpful for our evaluation of our approved devices. We will be sure to review this modem model with Arris and get any improvements in place to avoid another situation like this.
You're gonna want to find a modem/gateway with a Broadcom chipset, or an Intel Puma 7 chipset (Docsis 3.1 only)
The Puma 7 has problems too;
Go for Broadcom chipsets !
Yet 1/3 of the modems on Comcast's recommended equipment page are Arris. Something tells me Arris and Comcast are in bed together. I have to seriously question this relationship.