Last Updated & Fact Checked: April 18, 2026
Are you trying to decide between the Asus RT-AC66U and the Asus RT-N66R?
Product Versus will provide you with all the product details so you can quickly compare the facts to find which product is right for you – the Asus RT-AC66U or the Asus RT-N66R – and find out exactly what the differences are.
Both the Asus RT-AC66U and the Asus RT-N66R are quality products, so read on to find out which one is best for your needs!
Asus RT-AC66U quick facts
Asus RT-N66R quick facts
Asus RT-AC66U product details
Bestseller No. 1
ASUS RT-AX1800S Dual Band WiFi 6 Extendable Router, Subscription-Free Network Security, Parental Control, Built-in VPN, AiMesh Compatible, Gaming & Streaming, Smart Home
- New-Gen WiFi Standard – WiFi 6(802.11ax) standard supporting MU-MIMO and OFDMA technology for better efficiency and throughput.Antenna : External antenna x 4. Processor : Dual-core (4 VPE). Power Supply : AC Input : 110V~240V(50~60Hz), DC Output : 12 V with max. 1.5A current.
- Ultra-fast WiFi Speed – RT-AX1800S supports 1024-QAM for dramatically faster wireless connections
- Increase Capacity and Efficiency – Supporting not only MU-MIMO but also OFDMA technique to efficiently allocate channels, communicate with multiple devices simultaneously
- 5 Gigabit ports – One Gigabit WAN port and four Gigabit LAN ports, 10X faster than 100–Base T Ethernet.
- Commercial-grade Security Anywhere – Protect your home network with AiProtection Classic, powered by Trend Micro. And when away from home, ASUS Instant Guard gives you a one-click secure VPN.
Bestseller No. 2
ASUS Dual-Band 3x3 AC1750 WiFi 4-Port Gigabit Router with speeds up to 1750Mbps & AiRadar to Strengthens Wireless Connections via High-Powered Amplification Beam-Forming - 2X USB 2.0 Ports (RT-AC66U)
- 5th generation 802.11ac chipset gives you concurrent dual-band 2.4GHz/5GHz for up to super-fast 1.75Gbps
- ASUS AiCloud service: Access, stream, share, sync - all on the go with unlimited storage expansion!
- Gigabit Ethernet ports for the fastest, most reliable internet performance,AiRadar optimizes wireless coverage with detachable high-powered antennas
- Enjoy the ASUSWRT dashboard UI for 3 steps easy setup, signal monitoring, and network application control, Download Master for wireless data storage and access to your router-connected USB storage devices
- File sharing, printer sharing, and 3G sharing via two multi-functional built-in USB ports
Bestseller No. 3
![ASUS AC1900 Wireless Dual Band (5GHz + 2.4GHz) Gigabit Wi-Fi Router [RT-AC68U] Ultra-Fast 802.11ac 1900 Mbps Speed, 5X Gigabit LAN Ports, Broadcam TurboQAM Wi-Fi Acceleration, AiProtection Security](https://m.media-amazon.com/images/I/41AQkd3zfKL.jpg)
ASUS AC1900 Wireless Dual Band (5GHz + 2.4GHz) Gigabit Wi-Fi Router [RT-AC68U] Ultra-Fast 802.11ac 1900 Mbps Speed, 5X Gigabit LAN Ports, Broadcam TurboQAM Wi-Fi Acceleration, AiProtection Security
- Dual-band with the latest 802. 11AC 3x3 technology for combined speeds of up to 1900 Mbps.AiProtection : AiProtection Pro, AiProtection, Malicious site blocking, Two-Way IPS, Infected Device Prevention and Blocking. WAN : Internet connection Type - PPPoE, PPTP, L2TP, Automatic IP, Static IP. Dual WAN, 3G/4G LTE dongle, Android tethering, Port forwarding, Maximum port forwarding rule : 64, Port triggeringc, Maximum port triggering rule : 32, DMZ, DDNS, NAT Passthrough : PPTP, L2TP, IPSec, RTSP, H.323, SIP Passthrough,PPPoE relay.
- 1GHz dual-core CPU enables smart multitasking by dedicating separate lanes for Wi-Fi and USB data. Network standard: IEEE 802. 11a, IEEE 802. 11B, IEEE 802. 11G, IEEE 802. 11N, IEEE 802. 11AC, IPv4, IPv6. Memory: 128 MB Flash; 256 MB RAM
- Effortless router setup with the ASUSWRT web-based interface. Dual-band connectivity for compatibility and performance
- Monitor and manage your network with ease from your mobile device using the intuitive Asus router app
- A protection powered by Trend Micro provides multi-stage protection from vulnerability detection to protecting sensitive data. Please refer the installation manual and the user manual before use which is highly essential. Dc output: 19 V with max. 1. 75 a current. Guest network: 2. 4 GHz x 3, 5 GHz x 3
Asus RT-N66R product details
Bestseller No. 1
ASUS RT-N66R Dual-Band Wireless-N900 Gigabit Router IEEE 802.11a/b/g/n, IEEE 802.3/3u/3ab
- Gigabit Ethernet ports for the fastest, most reliable internet performance
- Ieee 802.11a/b/g/n, IEEE 802.3/3U/3ab
- Up to 900Mbps wireless data Rates
- 1 x 10/100/1000M WAN; 4 x 10/100/1000M LAN
- Coverage area - 2, 000 square feet
Bestseller No. 2
ASUS N900 Wireless Dual-Band Gigabit Router (RT-N66R) - Certified (Renewed)
- This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com
- Gigabit Ethernet Ports for the Fastest, Most Reliable Internet Performance
- IEEE 802.11a/b/g/n, IEEE 802.3/3u/3ab
- Up to 900Mbps Wireless Data Rates
- 1 x 10/100/1000M WAN; 4 x 10/100/1000M LAN
Bestseller No. 3
ASUS RT-N66W Dual-Band Wireless-N900 Gigabit Router (White Version)
- 3 x Detachable antenna for 2.4GHz/5GHz with peak gain 3dBi/ 5dBi
- IPv6 support; VPN Server Support
- 802.11n: up to 450Mbps ; 802.11a/g: up to 54Mbps; 802.11b: up to 11Mbps
- Supports Ethernet and 802.3 with max. bit rate 10/100/1000 Mbps
- 4 x LAN ports for 10/100/1000 BaseT
New products & alternatives to the Asus RT-AC66U and the Asus RT-N66R
New
ASUS RT-AX3000S Dual Band WiFi 6 Extendable Router, Instant Guard, Parental Control Scheduling, Built-in VPN, AiMesh Compatible
- New-Gen WiFi Standard - Supporting 802.11ax WiFi standard for better efficiency and throughput.
- Ultra-fast WiFi Speed - RT-AX3000S supports 1024-QAM for dramatically faster wireless connections. With a total networking speed of about 3000Mbps — 574 Mbps on the 2.4GHz band and 2402 Mbps on the 5GHz band.
- Increase Capacity and Efficiency - Supporting not only MU-MIMO but also OFDMA technique to efficiently allocate channels, communicating with multiple devices simultaneously
- Easy Extendable Network - Enjoy seamless roaming with rich, advanced features by adding any AiMesh-compatible router.
New
ASUS RT-AX1800S Dual Band WiFi 6 Extendable Router, Subscription-Free Network Security, Parental Control, Built-in VPN, AiMesh Compatible, Gaming & Streaming, Smart Home
- 2 Year Limited Manufacturer Warranty
- 2.2"H x 9.06"W x 5.28"D
- 2.4GHz - 5GHz Transfer rate
- 5 Gigabit ports - One Gigabit WAN port and four Gigabit LAN ports, 10X faster than 100-Base T Ethernet
- AiProtection and Parental Controls - helps keep your network protected and allow you to set the time limit for a client's network usage
New
ASUS RT-BE92U BE9700 Tri-Band WiFi 7 Router, Supports New 320MHz Bandwidth & 4096-QAM, MLO, AI WAN Detection, AiMesh Support, Subscription-Free Network Security & Comprehensive VPN Features
- Beyond-fast WiFi 7 (802.11be) - New 320MHz channels in the 6 GHz band and 4096-QAM significantly increase network capacity and throughput, with speeds of up to 9700 Mbps
- Multi-link Operation - Link to multiple bands at the same time to ensure stable internet connections and efficient data transfers
- Versatile WAN configuration options - Establish always-on internet through AI WAN detection and a convenient USB port ready for 4G LTE and 5G Mobile tethering.
- Smart Home Master - Easily establish up to three SSIDs with Smart Home Master for easy IoT device setup and management, instant VPN connections, and convenient parental controls.
- Subscription-free network security - Commercial-grade AiProtection Pro powered by Trend Micro, plus a one-tap security scan and Safe Browsing
New
ASUS RT-BE86U BE6800 Dual-Band WiFi 7 Router, Supports 4096-QAM, MLO, AI WAN Detection, AiMesh, Subscription-Free Network Security, and Comprehensive VPN Features, Guest Network Pro, Gaming
- Beyond-fast WiFi 7 (802.11be) router enables WiFi 7 performance (Multi-link Operation (2.4 GHz and 5 GHz) and 4096-QAM), boosting dual band throughput up to 6800 Mbps
- Ultrahigh-speed 10 Gigabit Ethernet with one standard 10G WAN/LAN port empowers supreme wired network capacity up to 20G
- Always-on internet with Versatile WAN options, hassle-free AI WAN detection on 2.5G or 10G WAN/LAN ports and convenient 4G LTE & 5G Mobile Tethering via USB
- A powerhouse quad-core 2.6 GHz 64-bit CPU unleashes full performance for demanding WiFi 7 and 10 Gigabit network applications
- Guest Network Pro offers effortless network segmentation with up to five SSIDs for easy IoT device setup and management, instant VPN connections and convenient parental controls
New
ASUS RT-BE88U Dual-Band WiFi 7 AiMesh Extendable Performance Router, 4K-QAM, MLO, Dual 10G Ports, SFP+, 4X 2.5G Ports, 4X 1G Ports, 34G WAN/LAN Capacity, Network Security, Built-in VPN
- Blazing-fast WiFi 7 tech boosts throughput up to 7200Mbps with Multi-Link Operation and 4096-QAM.
- Bolster your wired network capacity up to 34G with one cutting-edge 10G SFP+ port and one standard 10G WAN/LAN port.
- Establish always-on internet through AI WAN detection, versatile WAN configuration options, and a convenient USB port ready for 4G LTE and 5G Mobile tethering.
- Unleash demanding WiFi 7 and 10G network applications with a powerhouse quad-core 2.6GHz 64-bit CPU.
- Easily establish up to five SSIDs with Guest Network Pro for easy IoT device setup and management, instant VPN connections, and convenient parental controls.
Our conclusion on the Asus RT-AC66U vs Asus RT-N66R
Both the Asus RT-AC66U and the Asus RT-N66R are high quality products and we are sure you will be happy with either one. In the end it comes down to your budget and the value for money you are looking for.
Either way, the Asus RT-AC66U and the Asus RT-N66R are both excellent products that will more than do their job!