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Linksys WRT1900ACS
superior wired and Wi-Fi performance for today’s connected home

Linksys WRT1900ACS

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Performance Perfected

With an advanced 1.6 GHz dual-core CPU and an impressive 512MB of RAM, the WRT1900ACS delivers improvements in wired, wireless, and network storage performance over its predecessor, the WRT1900AC. At speeds up to N600 + AC1300 Mbps, the WRT1900ACS meets the needs of the most demanding home Wi-Fi networks. Equipped with a four-antenna configuration, the router provides exceptional signal strength and range. Advanced users also have the option of modifying the router with open source firmware.

Advanced 1.6 Ghz Dual-core Processor To Surf, Stream, & Game Simultaneously

With a professional-grade 1.6 GHz dual-core ARM processor, the WRT1900ACS delivers faster throughput speeds and easily handles multiple data streams simultaneously. The result: better performance, particularly in today's multi-device homes.

Dual-Core Processor

512mb Of Ram For Improved Data Transfer

The WRT1900ACS comes equipped with 512MB of RAM that works in tandem with the 1.6GHz CPU to move movies, music, and other large files faster. With more than double the memory of its predecessor, the WRT1900ACS improves data transfer speeds, allowing you to do more, faster.

Ports icons

Usb 3.0, Esata, & Gigabit Ethernet Ports To Share Files

The WRT1900ACS has four Gigabit Ethernet ports that are perfect for transferring large media libraries at speeds 10X faster than Fast Ethernet. To stream or send large files across your network at high speed, simply connect a flash drive to the USB 3.0 port or an external SATA storage device to the eSATA port. The eSATA port also serves as a USB 2.0 port.

WRT1900ACS Antennas

Four External Antennas For Greater Range & Coverage

The WRT1900ACS features four external, adjustable high-performance antennas that provide strong, reliable coverage throughout your home. The unique antenna diversity technology onboard helps your laptop, tablet, smartphone, and other connected devices achieve an optimal connection, wherever they are in your home. The antennas also enhance coverage for both 2.4GHz and 5GHz bands, keeping everyone gaming, downloading, and streaming without lag.

Beamforming For Stronger, More Focused Wi-fi Connections

Designed especially for today's mobile-device households, the WRT1900ACS features Beamforming technology, which focuses wireless signals at a receiving device rather than simply sending out Wi-Fi in a general direction.

Open source icon

Open Source Ready

While the Linksys WRT1900ACS provides an outstanding experience via Smart Wi-Fi immediately out of the box, advanced users can further modify the router with open source firmware. Developed for use with OpenWRT, an open source, Linux-based operating system, the router offers an additional layer of customization to suit your needs.

smart wifi phone shared

Linksys Smart Wi-fi

Linksys Smart Wi-Fi lets you access your network anytime, anywhere. Using your browser or the Smart Wi-Fi mobile app, you can:

  • Prioritize devices or websites for video streaming and online gaming
  • Control inappropriate or distracting content
  • Monitor network activity and speed
  • Turn Wi-Fi access on or off for any connected device
  • Create a separate, password-protected guest network

Smart Wi-fi With Network Map Lets You View All Of Your Connected Devices

smart wifi network map

With the Network Map, you can:

  • See all devices on your network on a single screen
  • Track online status and signal strength of your devices
  • Measure bandwidth consumption by device
  • Create personalized names to easily identify your connected devices

Get Smart In Three Easy Steps

Managing your network with Linksys Smart Wi-Fi is fast and easy:


linksys set up

Set up your wireless home network using a Linksys Smart Wi-Fi Router.
The router will broadcast a wireless signal to your Wi-Fi-enabled devices like gaming consoles, TVs, mobile devices, and printers.


smart wifi network map

Sign up for a Linksys Smart Wi-Fi Account. It's fast and free.
Smart Wi-Fi software lets you access and control your home network from wherever you are, whenever you need to.


smart wifi phone shared

Customize your network with the Linksys Smart Wi-Fi apps of your choice.
Upgrade the functionality of Linksys Smart Wi-Fi tools, by downloading exclusive Linksys Smart Wi-Fi apps to your mobile devices.


WRT1900ACS Features


Linksys WRT1900ACS Specs
Wi-Fi Technology AC1900 Dual-band Gigabit, 600+1300 Mbps
Network Standards
  • 802.11b
  • 802.11a/g
  • 802.11n
  • 802.11ac
Wi-Fi Speed AC1900 (N600 + AC1300)
Wi-Fi Bands 2.4 GHz and 5 GHz (simultaneous dual band)
Wi-Fi Range Very large homes
Number of Ports 1x USB 3.0 port, 1x USB 2.0 port, 1x eSATA port
Number of Ethernet Ports
  • 1x Gigabit WAN port
  • 4x Gigabit LAN ports
Antennas 4x external, dual-band, detachable antennas
Processor 1.6 GHz dual-core ARM-based
Memory 128MB Flash; 512MB DDR3 RAM
LEDs Power, Internet, 2.4 GHz, 5 GHz, LAN 1–4 (10/100Mbps or 1Gbps), USB 3.0, USB 2.0, eSATA, Wi-Fi Protected Setup
Wireless Encryption 64/128-bit WEP, WPA2 Personal, WPA2 Enterprise
VPN Support PPTP Pass-Through
Operation Modes
  • Wireless Router
  • Access Point
  • Wired Bridge
  • Wireless Bridge
Storage File System Support
  • FAT
  • NTFS
  • HFS+
Easy Setup
  • Browser-based Setup
  • Linksys Smart Wi-Fi Setup
Certified Operating Systems MacOS (10.X or higher), Windows 7, Windows 8.1, Windows 10
Minimum System Requirements
  • Internet Explorer® 8
  • Safari® 5
  • Firefox® 8
  • Google Chrome
Dimensions (LxWxH) 121 x 75 x 26 mm (4.76 x 2.95 x 1.02 in.)
Weight 722.2 grams (28.43 oz)
Security Features
  • WPA/WPA2
  • 128 bit AES link encryption
Regulatory Compliance FCC class B
Other Certifications
  • DNLA Certified
  • Wi-Fi Alliance
  • WPS Setup
Power Supply Input: 100-240V ~ 50-60Hz; Output: 12V/2.5A