ASUS N900 WiFi Router RT-N66U - Dual Band Gigabit Router

In this review of the ASUS N900 WiFi Router RT-N66U the bottom line is simple: households and small offices that need broad coverage and reliable gigabit wired throughput will appreciate this model most. The reviewer found setup straightforward with the ASUSWRT dashboard, and the dual-band N900 design provides both a stable 2.4 GHz signal for legacy devices and a faster 5 GHz band for streaming or gaming, making the router an attractive choice for mixed-use networks that value range and configurable controls.

Key Features

• Dual-Band N900: Concurrent 2.4 GHz and 5 GHz transmissions deliver combined wireless speeds up to 900Mbps for better performance across mixed devices.
• Gigabit Ethernet: One WAN and four LAN gigabit ports provide the fastest wired connections for desktop PCs, consoles, and networked storage.
• ASUS AiRadar: Intelligent signal focusing improves wireless connections to client devices and can enhance coverage in crowded homes.
• USB Multi-Function Ports: Two built-in USB ports enable file sharing, printer sharing, and access to USB storage or 3G sharing for simple networked services.
• Detachable High-Power Antennas: Three R-SMA antennas expand wireless coverage about 50% versus a typical N-class reference, helping reach distant rooms.
• ASUSWRT Dashboard: An easy-to-use setup and monitoring UI lets users control parental settings, VPN server functions, and traffic priorities.

Who It's For

The ASUS RT-N66U suits families and small offices that need durable wireless range, simple setup, and reliable wired gigabit connections for high-bandwidth devices. It is useful for users who want a dashboard UI to manage parental controls, file sharing via USB, and basic VPN server features without a steep learning curve.

Power users who need the absolute latest Wi-Fi standards (such as AC or AX) or rock-solid enterprise-level uptime may want to consider newer AC/AX models; likewise very large properties may require mesh systems for seamless roaming rather than a single high-power router.

Pros & Cons

Pros

• Strong signal coverage and range aided by three detachable high-powered antennas.
• Fast wired performance via 1 WAN and 4 LAN gigabit Ethernet ports for stable gaming and streaming.
• Convenient file and printer sharing plus USB storage access through dual multi-functional USB ports.
• Easy setup and monitoring with the ASUSWRT dashboard and accessible parental controls.

Cons

• Reliability reports are mixed among users; some find long-term stability excellent while others experienced failures within months.
• As an N900 router it lacks newer Wi-Fi standards that offer higher top wireless throughput and advanced spectrum features.

Specifications

Our Verdict

The RT-N66U remains a sensible value for buyers who prioritize wide coverage, easy setup, and solid wired gigabit performance without paying for the newest Wi-Fi standard. It delivers excellent range and useful USB-based sharing features, but those seeking the latest speeds or guaranteed long-term reliability should compare AC/AX alternatives. For typical homes and small offices this router offers a practical balance of features and usability.

Frequently Asked Questions

Does this router support VPN?
Yes. The RT-N66U includes a VPN server function accessible through the ASUSWRT interface.

Can I share a USB drive or printer?
Yes. The two multi-functional USB ports support file sharing, printer sharing, and connecting USB storage for network access.

Will it cover a large house?
The three high-powered detachable antennas increase coverage roughly 50% over a standard N reference, but very large or complex homes may still benefit from a mesh system for full coverage.