This type of modem is required for Centurylink bonded-pair connections. In my area they wanted $150 for it, but I got a much better deal here. I'm not using the wifi portion so I can't comment on that (I have a more capable standalone router) but internet-wise it works well. I'm currently getting 80/40 Mb/s speeds through it (though it can go as much as 100/12 - roughly a total of 115-120 Mb/s split between down/up as centurylink allows). It allows bonded-pair, so roughly 2x the 60Mb/s combined up/down max of a single DSL line (currently the fastest you can get without going for Fiber).
Verified purchase: Yes | Condition: Pre-owned
This modem had less range than my old PK5000 Zyxel modem. Couldn't get a signal at all for parts of the house that had no problem before. I returned it and went back to the older one while I look for another brand.
Verified purchase: Yes | Condition: Pre-owned
Very easy set-up and great performance. Purchased this for my parents who have DSL and an old CenturyLink modem that would randomly cut out and drop their internet connection; requiring a reboot of that modem to reconnect. This C3000Z was a simple swap of devices; log into the new modem via lan connection and IP address. Go to quick set-up and put in the necessary authentication information as it was stated from the old modem. Up and running within a half hour. It's been running flawlessly and with more download speed for the past couple weeks. Very happy with purchase.
Verified purchase: Yes | Condition: Pre-owned
Have only had this unit connected for a few days and have found it consistently performing well as a modem. I have it set up in bridge mode with the wifi connection disabled so I cannot comment on the wifi router portion of this combination device.
Verified purchase: Yes | Condition: Pre-owned
Century Link wanted $150 or $10/month rental for ever! Bought it for half the price. Works just fine. However, the USB "does not" read an external Hard Drive. Bummer. So I might just use it only as a Modem and reconnect my Netgear Router which "will" read external USB 3TB Hard Drive full of pictures and videos. I can access them from my LG-V20 phone and Samsung S3 Tablet. Can't access it with my iPad nor iPhone.
Verified purchase: Yes | Condition: Pre-owned
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