
Nighthawk Multi-Gig 2.5Gbps Cable Modem
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Compared across 10 stores. Prices are checked against each store and labelled with when.

Compared across 10 stores. Prices are checked against each store and labelled with when.
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The NETGEAR Nighthawk CM2500 is a standalone DOCSIS 3.1 cable modem with no built-in Wi-Fi, so you pair it with whatever router or mesh system you already own. It has two LAN ports and supports link aggregation for up to 2Gbps wired throughput, and it works on Xfinity, Spectrum and Cox plans. Owners mostly report easy setup and a real speed jump over older DOCSIS 3.0 modems, though some hit activation trouble with Xfinity and a few saw no improvement. It suits people on gigabit cable plans who want to stop renting a modem and keep their own router.
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Lowest price we've seen: $249.99 on Nov 13 at Best Buy. Tracked across 7 stores since Nov 13.
Buyers rate it well overall, with most praising quick setup and a clear speed increase after upgrading from DOCSIS 3.0. Complaints center on Xfinity activation and a handful of connection failures.
The NETGEAR Nighthawk Multi-Gig Cable Modem (CM2500) is a DOCSIS 3.1 cable modem with Mid/High-Split support. It has no Wi-Fi of its own. You connect it to any WiFi router or mesh system, so you can change your WiFi setup without replacing the modem.
It supports download speeds up to 2Gbps and upload speeds up to 1Gbps. It works with DOCSIS 3.0 and DOCSIS 3.1 cable networks. Its two Ethernet ports support link aggregation for up to 2Gbps. DOCSIS 3.1 OFDM and OFDMA help keep response times and speeds steady. Actual speeds vary by plan and provider.
It works with Xfinity plans up to 800Mbps, Spectrum plans up to 1Gbps and Cox plans up to 1Gbps. It is not compatible with Verizon, AT&T, CenturyLink, DirecTV, DISH or bundled voice plans. To set up, plug in the coax cable and activate service in a web browser or by calling your provider. Then connect the modem to your router with an Ethernet cable. Xfinity customers can self-activate online. ISP activation is required.















