
Netgear Nighthawk CM1200
Score: 80/100
ZyXEL C3510XZ
Score: 78/100Rankings

The NETGEAR Nighthawk CM1200 is a DOCSIS 3.1 desktop modem with integrated Wi-Fi 6, four Gigabit Ethernet ports, and USB 3.0, supporting up to 2 Gbps download via link aggregation. While it provides extensive connectivity, it still relies on a separate router for advanced networking and lacks 2.5 Gbps Ethernet ports. It fits power users who need high-speed wired and wireless performance on gigabit-class plans.

The Zyxel C3510XZ is a fiber-only Wi-Fi 6 gateway offering high wireless capacity and four Gigabit LAN ports. Its limitations include lack of DSL/cable support, no multi-gigabit Ethernet, and minimal USB capability. Best suited for CenturyLink or other fiber subscribers needing an all-in-one solution.
| Attribute | ![]() | ![]() |
|---|---|---|
2,000 Mbpsbest | 940 Mbps | |
4 portsbest | 4 portsbest | |
1 portsbest | 1 portsbest | |
| ↓ lower better | — | 27 Wbest |
| ↓ lower better | 0.553 kgbest | 0.99 kg |
1 yearsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(1) | ||
Maximum Download Speed (Mbps) | 2000 Mbps | 940 Mbps |
Connectivity(1) | ||
Wi‑Fi Standard | Wi‑Fi 6 | 802.11ax |
Build & Design(3) | ||
Weight (kg) | 0.553 kg | 0.99 kg |
Dimensions (HxWxD) (mm) | 10.3x3.4x6.1 inches mm | 245x175x60 mm mm |
Form Factor | Desktop | gateway |
General(1) | ||
Provider Compatibility | Xfinity, Cox, Spectrum | CenturyLink |


Products in the top-left offer the best value (high score, low price).

Retailer and editorial listings emphasize the CM1200's ability to handle the fastest cable tiers, citing its DOCSIS 3.1 chipset, four Ethernet ports for link aggregation, and advanced OFDMA/QoS features as strong points for power users and gamers. The consensus is that it offers a solid, future-ready solution for households upgrading to multi-gigabit plans, though reviewers remind buyers that a separate Wi-Fi router is still required.

Professional reviews are absent from the available sources; vendor and reseller descriptions emphasize the gateway's Wi-Fi 6 performance, integrated design, and suitability for high-device households, while noting that technician installation is required for activation.
User feedback is minimal, with listings showing few or no reviews; the limited comments focus on the product's specifications rather than experiential praise or complaints.
