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Feb 24, 2026 6:08 PM

REFURBISHED: NETGEAR - Nighthawk 32 x 8 DOCSIS 3.1 Cable Modem $80

$80

$300

73% off
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BUILT FOR FASTEST MULTI-GIG SPEEDS: Best for cable provider plans up to 2.5Gbps
COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including Xfinity, COX and Spectrum. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.
WORKS WITH ANY WIFI ROUTER, BEST WITH WIFI 6: Connect any WiFi router to this modem's Ethernet port to support all your wireless devices. For the fastest Internet, connect to a NETGEAR WiFi 6 router or Orbi Mesh system.
MULTI-GIG ETHERNET: 1 x 2.5Gbps Ethernet port for the fastest, true multi-gig Internet connections.
SAVE MONTHLY RENTAL FEES: Replaces your cable modem saving you up to $168/yr in equipment rental fees.
MODEM TECHNOLOGY: Engineered with DOCSIS 3.1 32x8 channel bonding and OFDM(A) 2x2.

https://www.amazon.com/NETGEAR-Ni...B0917R39C6
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Deal Details
Community Notes
About the Poster
About this item
BUILT FOR FASTEST MULTI-GIG SPEEDS: Best for cable provider plans up to 2.5Gbps
COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including Xfinity, COX and Spectrum. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service.
WORKS WITH ANY WIFI ROUTER, BEST WITH WIFI 6: Connect any WiFi router to this modem's Ethernet port to support all your wireless devices. For the fastest Internet, connect to a NETGEAR WiFi 6 router or Orbi Mesh system.
MULTI-GIG ETHERNET: 1 x 2.5Gbps Ethernet port for the fastest, true multi-gig Internet connections.
SAVE MONTHLY RENTAL FEES: Replaces your cable modem saving you up to $168/yr in equipment rental fees.
MODEM TECHNOLOGY: Engineered with DOCSIS 3.1 32x8 channel bonding and OFDM(A) 2x2.

https://www.amazon.com/NETGEAR-Ni...B0917R39C6

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Community Reviews

This refurbished Netgear Nighthawk cable modem is a DOCSIS 3.1 option aimed at high speed cable internet, but the thread focuses more on compatibility and value than on features. It can work well once activated, and one long term owner has had 18 months without issues. The main theme is that cable providers, especially Comcast and Xfinity, can be picky about modem support and upload speed tiers, so the right model matters. There are also concerns about refurbished units being returned for faults or old age, and the price feels high for older hardware.

Common Questions (4)

  • Yes. The modem has to be supported by your cable plant/provider because they push configuration data and firmware to it. Some providers may refuse activation or limit upload speeds on unsupported models, so checking the ISP's compatible-modem list matters before buying.

  • Not always. Comcast/Xfinity mid-split upload support is limited to certain third-party modems, and unsupported models can be capped around 40 Mbps upload even when the plan advertises much higher speeds.

  • A refurbished modem can simply be an open-box or used return, sometimes missing accessories or the original box. It may also have been returned because it failed to meet the buyer's speed requirements or provider compatibility needs, not necessarily because the hardware was broken.

  • One owner reported 18 months of use with no issues, but other comments cite review-reported failures such as reboot loops, no signal output, or dying after about a year. That makes long-term reliability a practical concern to weigh against the lower refurbished price.

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16 Comments

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Feb 27, 2026 1:09 AM
517 Comments
Joined Nov 2009
2rugsandacatFeb 27, 2026 1:09 AM
517 Comments
Quote from Caleo View quoted comment :
You don't necessarily need the CODA56, there are some others you can choose from... but I think it's among the least expensive, and it works for me as indicated above so I'd say I'd recommend it. Can't comment on longevity though, as I've only had it for about a month so far.List is here under All modems -> "Compatible modems for enhanced speeds"https://www.xfinity.com/support/i...tomerowned
Yeah I have been all over this for the last month plus to no end. They tell me if I use their modem the speeds will be closer to advertised. Never get above 1k down and 200 up with the night hawk cm3000. Very annoying!

appreciate the link and info
Last edited by 2rugsandacat February 26, 2026 at 06:18 PM.

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