Buffalo AirStation Extreme AC1900 router review

600 + 1300 Mbps
IEEE 802.11a/b/g/n/ac
Broadcom BCM4709A0 @ 1 GHz
512 MB / 128 MB

Buffalo introduced the AirStation Extreme AC1900 router in 2014. It is powered by Broadcom BCM4709A0 @ 1 GHz chipset, 512 MB of RAM, and 128 MB of flash memory.

Curious to know if the AirStation Extreme AC1900 is top-notch? Keep reading!

Table of Contents

  • Buffalo AirStation Extreme AC1900 specifications
    • Body, dimensions, weight
    • System, chipset, RAM, flash, power supply
    • Network, protocols, WAN and LAN ports
    • Wireless, antennas, speed, security
    • Connectivity
    • Administration, user interface, login information
  • Verdict, Pros and Cons
  • Photos

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 Buffalo AirStation Extreme AC1900, please let us know. Furthermore, we strive to deliver a thorough and precise overview.

Buffalo AirStation Extreme AC1900 / WXR-1900DHP

The AirStation Extreme AC1900 is a powerful router. It is full of features and made for advanced networking. The USB connectors on the router add versatility to your network. They enable file sharing, printer sharing, and other USB functions. Buffalo offers networking solutions that cater to different scales of networks.

Buffalo AirStation Extreme AC1900 specifications

NameAirStation Extreme AC1900
Rated 3/5 based on 1475 user votes.


Dimensions159 x 131 x 55 mm
Weight281 g

If you have limited space, like in a small apartment or office, the dimensions can determine if it can fit there. The weight of a router can matter in some situations. But, it is usually not as crucial as other factors. These factors include features and compatibility.

Buffalo AirStation Extreme AC1900 (WXR-1900DHP) / 3


ChipsetBroadcom BCM4709A0 @ 1 GHz
Flash128 MB
Power supply12 V / 3 A

The Broadcom BCM4709A0 @ 1 GHz CPU is key. It, along with factors like RAM and firmware, decides how well the router works. The amount of RAM in a router can affect its performance. It also affects its capacity to handle concurrent operations and traffic. The 128 MB flash memory in the router serves as the storage medium for the router's firmware. Upgrading router firmware has become simple and user-friendly. The Buffalo provides the right power supply. It is 12 V / 3 A, this matches the router's voltage needs.

Buffalo AirStation Extreme AC1900 (WXR-1900DHP) / 6


LAN ports4 x 10/100/1000 Mbps
WAN ports1 x 10/100/1000 Mbps
Mobile networkno
VPN supportPPTP

Like many modern routers, the AirStation Extreme AC1900 supports many network standards too. Most networking equipment, like routers and switches, supports IPv4. The AirStation Extreme AC1900 router is also compatible with IPv6. IPv6 has a much bigger address space. It also offers many enhancements and improvements over IPv4. This router has Gigabit Ethernet LAN ports. They provide data transfer speeds of up to 1000 Mbps (1 Gbps) over Ethernet connections.

This router ensures that you can use fast internet from your ISP fully. The PPTP is an older VPN protocol. It was widely used in the past.

Buffalo AirStation Extreme AC1900 (WXR-1900DHP) / 1


Antennas3 x 3 dBi
2.4 GHzyes
5 GHzyes
60 GHzno
StandardsIEEE 802.11a/b/g/n/ac
Speed600 + 1300 Mbps
Transmit power22 dBm
Guest networkyes

The 3 x 3 dBi, RP-SMA antennas allow sending and getting many data streams at once. This boosts overall throughput and improves Wi-Fi performance. This router is 2.4 GHz capable. The 2.4GHz band refers to the portion of the radio spectrum between 2.400 and 2.4835 gigahertz. This router operates on both the 2.4GHz and 5GHz frequency bands. It lets you connect devices to the best band for their needs. Wi-Fi 5 uses the 5 GHz band. It uses wider channels and advanced techniques to send data faster.

Real-world AirStation Extreme AC1900 router speeds are lower than its theoretical maximum speed. 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.

Buffalo AirStation Extreme AC1900 (WXR-1900DHP) / 2


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. A USB print server adds print functionality. You can manage settings, watch queues, and control access from one place. The AirStation Extreme AC1900 router lets you schedule backups. You can back up to the connected USB storage device.

Buffalo AirStation Extreme AC1900 (WXR-1900DHP) / 4


Default IP192.168.11.1
Default usernameadmin
Default passwordpassword

If you can't log in to your Buffalo router's setup panel, try resetting it. A reset can help you troubleshoot. It is highly recommended to change the default password of your AirStation Extreme AC1900 router. Do this after the initial setup.

Pros and Cons

Every router, including this Buffalo 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.


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


  • missing Wi-Fi 6 support
  • incompatible with WPA3

Buffalo AirStation Extreme AC1900 photos

Buffalo AirStation Extreme AC1900 / WXR-1900DHP photo
Buffalo AirStation Extreme AC1900 / WXR-1900DHP photo
Buffalo AirStation Extreme AC1900 / WXR-1900DHP photo
Buffalo AirStation Extreme AC1900 / WXR-1900DHP photo
Buffalo AirStation Extreme AC1900 / WXR-1900DHP photo
Buffalo AirStation Extreme AC1900 / WXR-1900DHP photo
Buffalo AirStation Extreme AC1900 / WXR-1900DHP photo
Buffalo AirStation Extreme AC1900 / WXR-1900DHP

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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. / Routers / Buffalo / Buffalo AirStation Extreme AC1900 (2014)