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Linksys

Linksys WRT1900ACS Open Source AC1900 WiFi Router

  • AC1900 dual-band, 600 Mbps (2.4 GHz) + 1300 Mbps (5 GHz)
  • 1.6 GHz dual core CPU, 512MB memory
  • 4 Gigabit Ethernet ports
  • USB 3.0 plus eSATA/USB 2.0 ports
  • 4 external detachable antennas
  • Open source ready firmware

Updated 25 days ago · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A tinkerer-friendly dual-band router with open source firmware support and fast storage ports. It uses an older Wi-Fi standard, so newer devices will not reach their top wireless speeds.

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ASIN: B014MIBLSAModel: WRT1900ACSCategory: Network Routers

Overview

Flashing custom firmware is welcome on this Linksys router, which pairs a dual core processor with four adjustable external antennas. Gigabit ports, a USB port and an eSATA port connect wired gear and shared drives.

Advanced users get open source support plus fast ports for network storage, all in a router that can be reconfigured freely. The wireless standard is a generation behind current models.

Who it's for

Tinkerers, small offices and multilevel homes that share drives on the network suit it. People who want a set-and-forget router with the latest wireless should choose a newer model.

Pros and cons

Pros
  • Open source firmware ready
  • ESATA and USB ports for storage
  • Four detachable external antennas
  • Parental controls and guest networks
Cons
  • Older wireless standard
  • No WPA3 listed

Performance notes

Wireless reach comes from the four adjustable antennas, which can be angled for multilevel homes. The dual core processor handles several busy users at once, and the eSATA port moves large files faster than plain USB.

Specifications

BrandLinksys
ModelWRT1900ACS
Dimensions & fit
Item weight1.8 pounds
Power & efficiency
VoltageInput 100-240V
Compatibility & installation
RAM Memory Installed512MB
Warranty & support
Warranty Description1 year limited
Other details
Data Transfer Rate1900 Mbps (600 Mbps + 1300 Mbps)
Wireless Compability802.11ac
Frequency Band ClassDual-band
Security ProtocolWEP, WPA2
Number of Ports4 Gigabit Ethernet, USB 3.0, eSATA/USB 2.0
Number of Antennas4, external, detachable
Processor1.6 GHz dual core ARM
BuiltIn MediaRouter, 4 antennas, quick start guide, CD-ROM, Ethernet cable, power adapter, power cord

Frequently asked questions

Can I install OpenWrt or other custom firmware on the Linksys WRT1900ACS?

The listing says it is open source ready for advanced users who want to customize their firmware.

Can I share a hard drive on the WRT1900ACS?

Yes, it has a USB 3.0 port and a dual eSATA/USB 2.0 port for external storage.

Are the antennas on the WRT1900ACS removable?

Yes, the four external dual band antennas are detachable.

What operating temperature does the WRT1900ACS handle?

The description lists 32 to 104 F (0 to 40 C).