NETGEAR Nighthawk CM2500-1AZNAS DOCSIS 3.1 Mid/High-Split Cable Modem – Up to 2Gbps, Compatible with Xfinity, Spectrum, Cox (Renewed)

Upgrade your home network with the NETGEAR Nighthawk CM2500

Designed for faster cable internet, this renewed modem leverages DOCSIS 3.1 mid/high-split technology to help you access higher speeds when paired with a compatible router. It supports a broad range of plans and providers, helping you unlock improved performance across devices without committing to a lengthy rental agreement.

With two Gigabit Ethernet ports, you can pursue multi-gig speeds through link aggregation when connected to a router that supports it. This combination aims to reduce buffering during streaming, smooth out video calls, and enable quicker file transfers. Pairing the CM2500 with a modern NETGEAR WiFi 6E or WiFi 7 router, or an Orbi mesh system, can take your home network to a higher level of performance while remaining simple to set up.

What makes the CM2500 a strong fit for modern homes

• Mid/high-split DOCSIS 3.1 modem with potential to handle demanding plans and multiple devices.
• Two 1 Gigabit Ethernet ports support link aggregation for up to 2 Gbps total throughput when paired with a capable router.
• Works with major US providers, including Xfinity, Spectrum, and Cox; Xfinity Voice plans are not supported.
• Easy upgrade path for faster service tiers as plans evolve, without changing your router or network setup.
• Pair with NETGEAR WiFi 6E or WiFi 7 routers or Orbi systems to maximize wireless performance.
• Renewed product option provides a cost-effective path to higher speeds while maintaining reliability.

Real-world use cases and benefits

In homes with multiple streams, you may notice crisper 4K/8K video, steadier video conferences, and quicker app updates as devices share bandwidth more efficiently. Gamers can experience smoother sessions with lower latency, while households with smart cameras or network-attached storage may enjoy more reliable remote access and faster uploads.

While individual results depend on your plan and equipment, the CM2500 is designed to offer scalable performance as your internet needs grow. It presents a practical upgrade option that aligns with evolving service offerings while avoiding ongoing rental costs.

Why choose renewed

A renewed device provides a compelling combination of performance and value, backed by seller warranties and a reduced price compared with new units. This can help you move to faster speeds today while keeping budgeting flexible.

Ready to explore higher speeds? The CM2500 is designed to work with compatible routers to reveal more of your internet plan’s potential and support everyday tasks with greater efficiency.