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Since I have had the Superhub 3, I have had nothing but problems with it. Originally it was the 'port flapping' issue which seems to have been resolved now. However I have been noticing that during gaming and VoIP calls, I get frequent latency spikes. As I use the Superhub 3 in modem mode, I assumed it was the Netduma router I was using, so I switched that out and it made no difference. Therefore I browsed the VM forums and found this.. http://community.virginmedia.com/t5/Gaming-Support/Hub-3-Compal-CH7465-LG-TG2492LG-and-CGNV4-Latency... There seems to be an issue with the Superhub 3 chipset, which causes latency spikes under load. I never had this problem with the Superhub 2 which I had in modem mode with the Netduma. I don't think VM or Intel will be resolving this issue anytime soon (I believe the port flapping issue took several months to resolve). So I would suggest asking them to exchange the Superhub 3 for a Superhub 2 ac (or just 2). Another post below, states that the Intel CPU erroneously could be dropping around 6% of your packets causing at least 200ms spikes! (worth a read). http://www.fudzilla.com/news/processors/42312-intel-s-puma-6-chip-set-falls-asleep P.S. This issue may be present in some Comcast routers (Xfinity), so check the second link to see if this affects you.