A:Answer I was just told by CenturyLink that Netgear AC1600, Netgear AC1900, and Netgear DM200 would work for their 40mbs service. I suggest you ask CenturyLink if you have other than 40mbs service. I am upgrading from 20mbs service, and according to them the current modem I have will not work at 40mbs.