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Well, I'm remembering from this post - https://hardforum.com/threads/educate-me-on-bonding-vs-load-balancing.1929432/
Sparing me the time to sift through that whole post, is this VDSL2 or ADSL2+? Maximum for ADSL2+ is something like 24Mb down and 3.3Mb Up - but this can vary wildly from provider to provider. Knowing which service(s) you have will determine which modem is best.
d'oh, I missed that link.
Still, though, that doesn't limit the actual available options.
Even that list provides ADSL, ADSL2+ and VDSL modems. Some of which don't support all protocols.
Though yeah I do see the Technicolor support all three.
Here's a Netgear that does not have built-in wireless, and supports ADSL and VDSL variants.
https://www.netgear.com/home/products/networking/dsl-modems-routers/DM200.aspx
It's probably standard ADSL if they are only offering 8/1 service, but they didn't really provide a helpful answer (as expected). Both ADSL2+ and VDSL are both forms of DSL (which is just categorically "high speed" internet). VDSL and ADSL+ tells us what type of protocols need to be supported.
With that said - your best bet would be the Technicolor C2100T - https://www.amazon.com/CenturyLink-Technicolor-C2100T-802-11AC-Gigabit/dp/B01MCZU07L
CenturyLink provides support for the device as per their documentation, and this modem can support fiber if they ever provide any update to your infrastructure in the area - however, you may to want to just skip a modem and use your own router in place (ISPs generally will run fiber to your house, and convert the media with a router and drop copper Ethernet to a demarcation in your home).
You could also check with CenturyLink if you can use your own router instead of a modem if the line is Ethernet into the house - you just will need your PPPoE Username/Password for this to work. This can save you the hassle of getting a modem and worrying about setting it up in bridge mode.