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The Nighthawk CM2500 is a standalone DOCSIS 3.1 cable modem rated for up to 2 Gbps down and 1 Gbps up on mid/high-split cable plans. It has no built-in WiFi, so you pair it with your own router or mesh system. Two Gigabit Ethernet ports can be link-aggregated for up to 2 Gbps to a compatible router, and DOCSIS 3.1 OFDMA plus Active Queue Management help hold speeds steady at peak hours. It suits households on fast Xfinity, Spectrum or Cox plans who want to own their modem; buyers report easy setup and faster speeds, but some hit rough Xfinity activation and a few saw no real gain.
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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, praising easy setup and noticeably faster speeds after upgrading. The main friction is provider activation, especially with Xfinity, where some needed support calls. A few report incompatibility with existing Nighthawk gear or no real speed gain.
The NETGEAR Nighthawk CM2500 is a mid/high-split DOCSIS 3.1 cable modem. It delivers download speeds up to 2 Gbps and upload speeds up to 1 Gbps. It is also compatible with DOCSIS 3.0.
Two Gigabit Ethernet ports connect to a compatible router. Link Aggregation combines both ports for speeds up to 2 Gbps.
