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Linksys WRT1900ACS router review

600 + 1300 Mbps
IEEE 802.11b/g/n/ac
Marvell Armada 385 88F6820 @ 1.6 GHz
512 MB / 128 MB

Linksys introduced the WRT1900ACS router in 2016. It is powered by Marvell Armada 385 88F6820 @ 1.6 GHz chipset, 512 MB of RAM, and 128 MB of flash memory.

Curious to see if this router impresses? Stay tuned!

Table of Contents

  • Linksys WRT1900ACS specifications
    • Body, dimensions, weight
    • System, chipset, RAM, flash, power supply
    • Network, protocols, WAN and LAN ports
    • Wireless, antennas, speed, security
    • Connectivity
    • Features
    • Administration, user interface, login information
  • Verdict, Pros and Cons
  • Photos
  • Comparisons

Our personal experiences and opinions form the basis of this article. We aimed to share insights on a topic, and we hoped others would find it useful and inspirational. The specs below rely on official manufacturer data, but we also consider user reviews. If you noticed any mistakes or missing details about the Linksys WRT1900ACS, please let us know. Furthermore, we strive to deliver a thorough and precise overview.

Linksys WRT1900ACS / WRT1900ACS

The WRT1900ACS supports dual-band Wi-Fi, offering both 2.4 GHz and 5 GHz bands. You can connect supported USB devices to the router. Linksys has received recognition and awards for their networking products.

Linksys WRT1900ACS specifications

BrandLinksys
NameWRT1900ACS
TypeWRT1900ACS
Rating
Rated 4/5 based on 1491 user votes.
Launch2016

Body

Dimensions246 x 52 x 194 mm
Weight883 g

The dimensions and design of a router can impact its cooling capabilities. Routers with larger dimensions may have more space for internal cooling mechanisms. The weight of router is not typically a critical factor for most home or office setups.

System

ChipsetMarvell Armada 385 88F6820 @ 1.6 GHz
RAM512 MB
Flash128 MB
OSLinksys
Alternative OSOpenWRT
DD-WRT
Power supply12 V / 3 A

The Linksys WRT1900ACS router has a Marvell Armada 385 88F6820 @ 1.6 GHz processor. You cannot expand the router's memory (512 MB). When choosing a router, it is important to consider the RAM specifications. A larger flash memory allows for more space to store configuration backups. Linksys often releases firmware updates. They improve the router's features, security, and bugs. They also add new features.

Using a custom OS on a router has benefits. But, it also has risks. OpenWrt has a community that actively develops it. They continuously work on improving its security. The 12 V / 3 A PSU provides power to the router. If it breaks, you can replace it with a new one.

Linksys WRT1900ACS (WRT1900ACS) / 2

Network

ProtocolsIPv4
IPv6
LAN ports4 x 10/100/1000 Mbps
WAN ports1 x 10/100/1000 Mbps
Mobile networkno
VPN supportPPTP
L2TP/IPSec
OpenVPN

The router supports many networking standards. It ensures compatibility with different devices and systems. The IPv4 is the fourth iteration of the Internet Protocol (IP). It is the most widely used version of IP on the internet today. The latest firmware supports IPv6. It provides a system to identify and locate computers on networks. The router has Gigabit Ethernet ports. They allow for faster communication between devices on your local network.

A Gigabit WAN port is helpful. It is useful when your internet plan supports high speeds. OpenVPN is popular for VPNs. This is because it is strong, flexible, and works on many devices. IPsec provides a robust and standardized framework for securing IP communications. PPTP has known flaws. These include problems with the encryption and the risk of password cracking.

Wireless

Antennas4 x 3.8 dBi
RP-SMA
2.4 GHzyes
5 GHzyes
60 GHzno
StandardsIEEE 802.11b/g/n/ac
ClassAC1900
Speed600 + 1300 Mbps
Transmit power19 dBm / 21 dBm
SecurityWEP
WPA
WPA2
WPS
Guest networkyes

This router has 4 x 3.8 dBi, RP-SMA antennas. Antennas are key parts of wireless routers. They send and receive radio signals to make wireless connections. The 2.4 GHz band is widely supported by many devices. This includes older ones that may not work with the 5 GHz band. The 5 GHz band is less crowded. This leads to less interference and a clearer wireless signal. The WRT1900ACS router is 5 GHz capable.

This Wi-Fi router supports multiple spatial streams, typically up to 4 streams. The top speed, 600 + 1300 Mbps, is the highest data rate the router can reach. It's the theoretical limit in perfect conditions. WEP was the first Wi-Fi security protocol. But it is now seen as weak and easy to hack. The introduction of WPA2 (Wi-Fi Protected Access 2) improved upon WEP. It provides stronger security. WPS (Wi-Fi Protected Setup) provides an easy method. It connects devices to a Wi-Fi network.

Linksys WRT1900ACS (WRT1900ACS) / 1

Connectivity

USB ports1 x USB 2.0
1 x USB 3.0
Print serveryes
File serveryes

The USB 2 port has a maximum theoretical data transfer rate of 480 megabits per second (Mbps). The USB 3 ports provide a fast interface for external storage with data transfer rates of up to 4.8 Gbps. USB print servers let you connect a USB printer to your network. This makes it accessible to many devices. You can connect external storage devices such as USB flash drives or USB hard drives to your router.

Features

SpecialsESATA port

Administration

Default IP192.168.1.1
Default usernameadmin
Default passwordadmin

Changing the password often is a good security practice. It protects your network and devices from unauthorized access. Changing the default password improves your router's security. It reduces the risk of unauthorized individuals controlling your network.

Pros and Cons

Every router, including this Linksys one, has its good sides and not-so-good sides. Let's take a closer look at both to get a full understanding of what this router can do. We'll talk about what it does well and also where it could use some improvements. Just remember, this is just what I think, and you might see things differently.

Pros

  • generous memory
  • adequate flash
  • OpenWrt compatible
  • IPv6 capable
  • high-speed LAN port
  • high-speed WAN port
  • supports OpenVPN
  • works on 5 GHz band
  • decent Wi-Fi performance
  • WPS friendly
  • USB 2 compatible
  • USB 3 compatible
  • printserver functionality
  • fileserver operation

Cons

  • missing Wi-Fi 6 support
  • incompatible with WPA3

Linksys WRT1900ACS photos

Linksys WRT1900ACS / WRT1900ACS photo
Linksys WRT1900ACS / WRT1900ACS photo
Linksys WRT1900ACS / WRT1900ACS photo
Linksys WRT1900ACS / WRT1900ACS

Linksys WRT1900ACS comparisons

We've noticed that many of our visitors like to compare the Linksys WRT1900ACS router with these popular models.

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Robert Miller
For over 15 years, I've immersed myself in the world of networking devices as a tech aficionado. I've dedicated myself to thoroughly testing and analyzing routers and other networking gear. I aim to provide thorough reviews. They will give you the knowledge needed to improve your network.
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