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December 6, 2015
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December 6, 2015
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garthhh's Reviews

NETGEAR - Dual-Band N600 Router with 8 x 4 DOCSIS 3.0 Cable Modem

The NETGEAR Dual-Band N600 Router with 8 x 4 DOCSIS 3.0 Cable Modem with N600 simultaneous dual band WiFi router and integrated DOCSIS 3.0 cable modem, provides 8x faster download speeds, up to 340 Mbps. It's CableLabs DOCSIS 3.0 Certified to work with U.S. cable Internet providers.

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Customer Rating

Don't buy if you have Comcast (xfinity)

on December 6, 2015

Posted by: garthhh

I purchased this modem/router combo because it claims to be compatible with Comcast xfinity internet, and it is supposed to perform at 300Mbps per channel. Great. I have 150Mbps download service, should be plenty. So, I get everything set up with my ISP. I do some speed tests on the wired connection (my desktop PC) and get between 140 and 160 Mbps. Then, I set up the wireless network, connect my phone... and wait. There's about a 10 second delay before anything even starts to load, and the speeds topped out at about 30Mbps on wireless, on both 2.4Ghz and 5Ghz.

I scoured the internet for any help and tried all of the standard things (power cycle, disable WMM support, disable the 2.4Ghz network, enable guest network and try that), and NOTHING changed. After some further research, I found multiple reports of people having the EXACT same issue on xfinity.

From what I gather, since it is a modem/router combo and is DOCSIS 3.0, any firmware updates must be pushed from the ISP, and it seems as though the firmware hasn't been updated to properly support the xfinity network, and there does not seem to be any plans to add full support in the future. Since the hardware should be plenty to handle a 150Mbps downstream connection, the firmware is the likely culprit.

I exchanged this modem/router for two standalone units, and now my wireless is 130Mbps... with virtually no lag of any sort. Don't get this if you have xfinity, you will regret it.

My Best Buy number: 4015364003

No, I would not recommend this to a friend.

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