1. Performance & Speed: The TP-Link AX5400 delivers on its promise of high-speed WiFi 6, with theoretical speeds up to 5400 Mbps. Real-world performance is excellent for streaming, gaming, and handling multiple devices simultaneously.

2. Range & Coverage: With 6 antennas and beamforming technology, this router provides strong and stable coverage throughout a two-story home, eliminating dead zones.

3. Heat Management: Unlike some competitors, the AX5400 stays cool even under heavy load, avoiding thermal throttling issues that plague other routers.

4. Easy Setup: Whether using the Tether app or web interface, setup is straightforward. Advanced users will appreciate the ability to configure static IPs, port forwarding, and dynamic DNS.

5. Mesh Compatibility: For larger homes, adding a compatible TP-Link mesh device extends coverage seamlessly with automatic roaming between nodes.

6. Parental Controls & Security: HomeShield offers basic network security and parental controls for free, with optional premium features available via subscription.

7. Web Interface: A full-featured web admin panel provides power users with advanced configuration options rarely found in consumer routers at this price point.

8. Long-Term Reliability: Multiple long-term user reports confirm this router maintains performance over years of continuous use without degradation.

The TP-Link AX5400 strikes an ideal balance between performance, features, and value - making it one of the best mid-range WiFi 6 routers available today.