ASUS (RT-AC51U) AC750 Dual-band Fibre-Ready WI-FI Router home & cloud
 
The essential AC upgrade
ASUS RT-AC51U Dual-band Wireless-AC750 router gives you both fast wireless speed and great value to upgrade your home network to the latest 802.11ac Wi-Fi technology today. Experience simultaneous dual-band connectivity and enjoy 300 Mbps speed on the 2.4 GHz frequency and up to 433 Mbps in 5 GHz band. 
 
Next gen 802.11ac wireless, up to 3X faster than 1x1 wireless N routers
Powered by 5th generation Wi-Fi (5G Wi-Fi), the 802.11ac chipset gives the RT-AC51U faster wireless speeds than N technology. At 2.4 GHz, it reaches 300 Mbps, while on the 5GHz band it blazes to 433 Mbps. The upgraded bandwidth has the higher capacity you need to increase Wi-Fi enjoyment at home. With notebooks, desktops, pads, and smartphones now all Wi-Fi-reliant, it’s time to upgrade to the next generation to expand you connectivity now and in the future.
Dual-band connectivity for compatibility and performance
Delivering 2.4GHz and 5GHz concurrent bands at up to 300Mbps and 433Mbps, respectively, RT-AC51U has a total combined bandwidth of up to 733Mbps. Perform basic tasks like Web browsing and file downloading on the 2.4GHz band, while simultaneously allowing multiple devices to stream in Full HD or support online gaming and other bandwidth-demanding applications smoothly on the clearer 5GHz band.
No more dead zones with 150% the coverage
Powerful two-way transmission improves Wi-Fi range by 150% compared generic routers, ensuring far-reaching coverage. The unique design of RT-AC51U means a connection you can always rely on.
Add external storage, printers, and other devices to your network
With built-in USB port, connect external storage, printers, and other devices to RT-AC51U and share them throughout your network at once.
Robust control and optimization with ASUSWRT
With the ASUSWRT dashboard UI, setup, monitor, and control network applications all in one intuitive area. On top of 30-second setup, multi-device detection, and flexible settings that make the most of your network performance, it’s been upgraded with quick scanning of USB storage connected to routers to verify data integrity and drive health. Dual WAN enables having two connections/ISPs on one router, with load balance and failover mode for added stability and redundancy to ensure uninterrupted internet access.
Do you game a lot, or spend most of your time streaming videos? Whatever your planned use is, the RT-AC51U has Quality of Service (QoS) standards that let you select how much bandwidth is prioritized for virtually any task. Plus, the traffic monitor allows you to check your Web usage in a clear graphical interface.
Easy 3-step setup
Use your smartphone, tablet, or PC to effortlessly set up your ASUS router in less than 30 seconds¹ and in only 3 easy steps. Simply connect the cables to the router, open a Web browser, and follow the setup wizard to get you to the internet in no time.
ASUS Router App
Control your network anywhere
In your increasingly mobile-enabled life, having control over your network via an app is more important than ever. The new ASUS Router App is built from the ground-up to be both intuitive and robust, allowing you to setup your router, manage network traffic, diagnose connection issues and even update firmware, all without needing to boot up a PC. 
ASUS AiCloud – Your world on demand
ASUS AiCloud keeps you connected to your data wherever and whenever you have an internet connection. It links your home network and online Web storage service2 and lets you access it through the AiCloud mobile app on your iOS or Android smartphone or through a personalized URL in a Web browser
VPN server enabled
Easily set up a VPN server to browse the web and access data with PPTP encryption— no matter where you are.
 
Specs
 
Network Standard
IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, IPv4, IPv6
Product Segment
AC750 complete AC performance : 300+433 Mbps
Coverage
Medium homes
Data Rate
802.11n : up to 300 Mbps
802.11ac : up to 433 Mbps
Antenna
External 5 dBi antenna x 2
Internal PCB antenna x 1
Transmit/Receive
MIMO technology
2.4 GHz 1 x 1
5 GHz 1 x 1
Memory
8 MB Flash
64 MB RAM
Operating Frequency
2.4 GHz / 5 GHz
Encryption
64-bit WEP, 128-bit WEP, WPA2-PSK, WPA-PSK, WPA-Enterprise , WPA2-Enterprise , Radius with 802.1x, WPS support
Firewall & Access Control
Firewall：SPI intrusion detection
Access control：Guest access, Parental control, Network service filter, URL/Port filter
WAN Connection Type
Internet connection type : Automatic IP, Static IP, PPPoE(MPPE supported), PPTP, L2TP
Dual Link support 
Multicast Proxy support
Ports
RJ45 for 10/100 BaseT for WAN x 1, RJ45 for 10/100 BaseT for LAN x 4
USB 2.0 x 1
Features
SmartQoS
- WMM
- User definable rules for IP/MAC/Port
- Upload and download bandwidth management
- ACK/SYN/FIN/RST/ICMP with highest priority
Parental Control
Guest Network : 2.4 GHz x 3, 5 GHz x 3
VPN server : IPSec Pass-Through, PPTP Pass-Through, L2TP Pass-Through, PPTP Server, OpenVPN Server
VPN client : PPTP client, L2TP client, OpenVPN client
Enhanced media server (AiPlayer app compatible)
- Image : Jpeg
- Audio : mp3, wma, wav, pcm, mp4, lpcm, ogg
- Video : asf, avi, divx, mpeg, mpg, ts, vob, wmv, mkv, mov 
AiCloud personal cloud service
3G/4G data sharing
Printer Server
- Multifunctional printer support (Windows only)
- LPR protocol support
Download Master
- Support bt, nzb, http, ed2k
- Support encryption, DHT, PEX and magnet link
- Upload and download bandwidth control
- Download scheduling
AiDisk file server
- Samba and FTP server with account management
IPTV support
Button
WPS Button, Reset Button, Power Button
LED Indicator
USB x 1
LAN x 1
Wi-Fi x 1
WAN x 1
Power x 1
Power Supply
AC Input : 110V~240V(50~60Hz)
DC Output : 12 V with max. 1 A current
OS Support
Windows® 10 
Windows® 8.1 
Windows® 8 32bit/64bit
Windows® 7 32bit/64bit 
Windows® Vista 32bit/64bit
Windows® 2000 
Windows® XP 32bit/64bit
Windows® Server 2003
Windows® Server 2008
Mac OS X 10.1
Mac OS X 10.4
Mac OS X 10.5
Mac OS X 10.6
Mac OS X 10.7
Mac OS X 10.8
Mac OS X 
Linux Kernel (Support Ubuntu only)
Linux
AndroidTM
Dimensions
189 x 129 x 36 ~ mm (WxDxH)
Weight
Package Content
．RT-AC51U Wireless-AC750 Cloud Router
．RJ-45 Cable
．Power Adapter
．Quick Start Guide
．Warranty Card
．Support CD (User manual & Utility software)
Operation mode
Wireless router mode
Access point mode