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Asus Dual-band wireless-AC1200 Gigabit Router

  • AC1200 enhanced AC performance; 300+867 Mbps
  • Detachable dipole antenna x 2
  • Operating Frequency 2.4 GHz / 5 GHz

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QuickFind: 719178

Mfr part code: RT-AC55U

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    Asus Dual-band wireless-AC1200 Gigabit Router Product Description

    Asus Dual-band wireless-AC1200 gigabit router

    Essential AC upgrade for latest online media enjoyment
    ASUS RT-AC55U Dual-band Wireless-AC1200 gigabit router delivers high-speed performance for web streaming up to 4K Ultra HD videos, online gaming with support for latest gen consoles such as Xbox One and PlayStation® 4 and performing other bandwidth-intensive tasks1. 
    With Smart Quality of Service (QoS), easily prioritize and optimize internet speeds for online gaming, downloading, VoIP and more. Plus, the traffic monitor feature lets you to check your web usage in a clear graphical interface for real-time diagnostics.

    Experience the world's fastest wireless speeds
    Powered by the new Qualcomm chipset, RT-AC55U delivers superfast gigabit wireless-AC speeds up to 867 Mbps on the 5 GHz band that's 3 times faster than standard wireless-N. This high performance wireless lets you enjoy ultra-smooth online gaming, snappier web surfing and other bandwidth-demanding tasks without a wired connection.

    AiRadar improves Wi-Fi performance
    ASUS AiRadar intelligently strengthens wireless connectivity using 802.11ac beamforming technology, high power amplification, and exclusive ASUS RF fine-tuning. This ensures extended coverage, dynamic data speed increases, and enhanced stability.

    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 service3 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. Even better, the new Router-to-Router Sync function allows you to synchronize your stuff with storage devices connected to other compatible ASUS routers- it's as simple as choosing a sync folder. Sharing with friends and family is now easier than ever!

    Dual-band connectivity for compatibility and performance
    Delivering 2.4 GHz and 5 GHz concurrent bands at up to 300 Mbps and 867 Mbps, respectively, RT-AC55U has a total speed of up to 1167 Mbps, and maintains complete stability. You can perform basic tasks like web browsing and file downloading on the 2.4 GHz band, while simultaneously allowing multiple devices to stream in 4K Ultra HD videos or support online gaming and other bandwidth-demanding applications smoothly on the clearer 5 GHz band.

    Add external storage, printers, and other devices to your network
    Make RT-AC55U your media and device center. With built-in USB 3.0 and USB 2.0 ports, connect external storage drives, printers, scanners and many other USB-enabled devices to share with your networked PCs. Having your devices networked, lets you access them easier than ever before. And with USB 3.0, transfer data up to 10 times faster to USB 3.0-enabled storage devices. 

    Easily select your preferred mode
    ASUS routers with EZ Switch give the flexibility of simple router, media bridge or access point mode selection. Router mode is the standard wireless and wired operation, while media bridge mode provides 802.11ac Wi-Fi connection for multiple media devices simultaneously, and access point modes connect with wired routers to instantly add wireless capabilities. 
    Instantly select router, media bridge, and access point modes with extra-quick settings in the user-friendly interface. No delays and no hassles - whatever your situation, take your pick and get connected.

    Robust control and optimization with ASUSWRT
    Easy to use and highly intuitive, ASUSWRT dashboard UI offers complete network management. Whether you're a gamer or HD media enthusiast get improved performance with ASUS Quality of Service (QoS) bandwidth prioritization that optimizes internet speeds for your specified tasks. Plus, the traffic monitor allows you to check your web usage in a clear graphical interface. Along with that, the Download Master feature ensures better network productivity and management. One-click settings enable easy troubleshooting, printer setup and parental controls. Try our ASUSWRT.

    Easy 3-step setup
    In less than 30 seconds and in only 3 easy steps, effortlessly set up your ASUS router through the simple user interface to start surfing the internet in record time. Step 1: plug in the necessary cables. Step 2: open your web browser to instantly activate the setup wizard. Step 3: complete the setup wizard setup. And you're ready to start surfing the web! No CDs, complicated manuals or time-consuming operations. We made setup quick and easy so you can start experiencing the best of the internet with the most innovative router.

    Download and stream anywhere
    Exclusive Download Master uses a special data acceleration algorithm to increase download speeds to save you time. With USB storage devices connected to the router, downloads can continue uninterrupted in the background even when your PC is turned off for added convenience.

    VPN server enabled
    Easily set up a VPN server to browse the web and access data - no matter where you are. Featuring PPTP encryption, your data transmission remains always secure and confidential.

    Customize and control your network for others
    Share your internet connection with your guests in safety, with no need to share your personal password or network resources. ASUS Guest Network supports up to three separate guest networks, each with its own usage limits and password. Guests cannot access your primary network or any other connected devices.

    Network Standard  IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, IPv4, IPv6
    Product Segment  AC1200 enhanced AC performance; 300+867 Mbps

    Data Rate:
    802.11a : 6,9,12,18,24,36,48,54 Mbps
    802.11b : 1, 2, 5.5, 11 Mbps
    802.11g : 6,9,12,18,24,36,48,54 Mbps
    802.11n : up to 300 Mbps
    802.11ac: up to 867 Mbps

    Detachable dipole antenna x 2
    *Antenna type will differ according to local regulations and requirement in each country
    Operating Frequency  2.4 GHz / 5 GHz

    Encryption  64-bit WEP, 128-bit WEP, WPA2-PSK, WPA-PSK, WPA-Enterprise , WPA2-Enterprise , WPS support

    Firewall & Access Control
    Firewall: SPI intrusion detection,DoS protection 
    Access control: Parental control, Network service filter, URL filter, Port filter

    Management  UPnP, DLNA, IGMP v1/v2/v3, DNS Proxy, DHCP, SNMP, NTP Client, DDNS, Port Trigger, DMZ, System Event Log

    VPN Support
    IPSec Pass-Through
    PPTP Pass-Through
    L2TP Pass-Through
    PPTP server
    OpenVPN server
    PPTP client
    L2TP client
    OpenVPN client

    WAN Connection Type:
    Internet connection type : Automatic IP, Static IP, PPPoE(MPPE supported), PPTP, L2TP
    WAN Bridge support
    Multicast Proxy support
    Multicast Rate Setting support

    1 x RJ45 for 10/100/1000/Gigabits BaseT for WAN, 4 x RJ45 for 10/100/1000/Gigabits BaseT for LAN
    USB 2.0 x 1
    USB 3.0 x 1

    Button  WPS Button, Reset Button, Power Button

    LED Indicator:
    PWR x 1
    LAN x 1
    Wi-Fi x 2
    USB x 2
    WAN x 1
    WPS x 1

    Power Supply:
    AC Input : 110V~240V(50~60Hz)
    DC Output : 12 V with max. 2 A current

    OS Support:
    Windows 8.1 , 32bit/64bit
    Windows 8 , 32bit/64bit
    Windows 7 , 32bit/64bit
    Windows Vista , 32bit/64bit
    Windows 2000 , 32bit/64bit
    Windows ME
    Windows XP , 32bit/64bit
    Windows Server 2003
    Windows Server 2008
    Mac OS X 10.5
    Mac OS X 10.6
    Mac OS X 10.7
    Mac OS X 10.8
    Mac OS X 10.9 
    Mac OS X 10.10
    Linux Kernel (Support Ubuntu only)

    Dimensions  207 x 148.8 x 35.5 ~ cm (WxDxH)

    Weight  495 g

    Package Content:
    RT-AC55U Dual-band Wireless-AC1200 Gigabit Router
    RJ-45 cable 
    Support CD (User manual)
    Power adapter 
    Quick Start Guide
    2 datachable Antennas
    Warranty card

    Router Special Features:
    3G/4G data sharing, AiCloud, Printer server, Download Master, AiDisK, Multiple SSIDs, Parental Control

    Operation mode
    Wireless router mode
    Access point mode
    Media bridge mode

    Asus Dual-band wireless-AC1200 Gigabit Router Product Reviews

    Technical Specifications


    Frequency Band 2.4 GHz / 5 GHz
    Capacity Guest networks: 3
    Device Type Wireless router - 4-port switch (integrated)
    Enclosure Type Desktop
    Connectivity Technology Wireless, wired
    Data Link Protocol Ethernet, Fast Ethernet, Gigabit Ethernet, IEEE 802.11b, IEEE 802.11a, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac
    Data Transfer Rate 1167 Mbps
    Network / Transport Protocol PPTP, L2TP, NTP, IPSec, PPPoE, DHCP, DDNS
    Routing Protocol IGMPv2, IGMP, IGMPv3
    Remote Management Protocol SNMP, HTTP
    Encryption Algorithm MPPE, 128-bit WEP, 64-bit WEP, WPA-PSK, WPA2-PSK, WPA-Enterprise, WPA2-Enterprise
    Features Network monitoring, firewall protection, DMZ port, Stateful Packet Inspection (SPI), DoS attack prevention, print server, MAC address filtering, IPv6 support, URL filtering, parental control, Access Point operational mode, download client, file sharing, event log, Quality of Service (QoS), Wi-Fi Protected Setup (WPS), IPSec passthrough, DHCP server, Multiple SSID support, static IP mode, DNS proxy, ASUS AiDisk, UPnP Media Server, wireless bridge mode, DLNA Media Server, port triggering, 3G/4G USB Dongle Support, dynamic IP mode, ASUS AiRadar, Multicast Proxy support, VPN Server, ASUS AiCloud, Multicast Rate Setting support, ASUSWRT, PPTP passthrough, L2TP passthrough
    Compliant Standards IEEE 802.11b, IEEE 802.11a, IEEE 802.11g, IEEE 802.11n, UPnP, IEEE 802.11ac
    Processor 1 x QUALCOMM
    Built-in Devices USB Hub
    Status Indicators Power, WAN, LAN, wireless, USB

    Expansion / Connectivity

    Interfaces WAN: 1 x RJ-45 ¦ LAN: 4 x 10Base-T/100Base-TX/1000Base-T - RJ-45 ¦ USB 2.0: 1 x 4 pin USB Type A ¦ USB 3.0: 1 x 9 pin USB Type A


    Aerial External detachable
    Antenna Qty 2


    Power Device External power adapter
    Voltage Required AC 120/230 V ( 50/60 Hz )


    Cables Included 1 x network cable

    Software / System Requirements

    OS Required Linux, Microsoft Windows 2000, Microsoft Windows Millennium Edition, Microsoft Windows Server 2003, Apple MacOS X 10.6, Microsoft Windows Server 2008, Apple MacOS X 10.5, Microsoft Windows Vista (32/64 bits), Ubuntu, Microsoft Windows 7 (32/64 bits), Microsoft Windows XP (32/64 bits), Apple MacOS X 10.7 Lion, Windows 8 (32/64 bits), Apple MacOS X 10.8, Windows 8.1 (32/64 bits), Apple MacOS X 10.9, Apple MacOS X 10.10

    Dimensions & Weight

    Width 20.7 cm
    Depth 14.88 cm
    Height 3.55 cm
    Weight 495 g

    Customer Questions

    Asus Dual-band wireless-AC1200 Gigabit Router Ask an owner

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