Buffalo AirStation AC433 router review

433 Mbps
IEEE 802.11a/b/g/n/ac
Realtek RTL8881AM
8 MB / 2 MB

Buffalo introduced the AirStation AC433 router in 2014. It is powered by Realtek RTL8881AM chipset, 8 MB of RAM, and 2 MB of flash memory.

Wondering if the Buffalo AirStation AC433 is a must-have? Keep following along!

Table of Contents

  • Buffalo AirStation AC433 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 AC433, please let us know. Furthermore, we strive to deliver a thorough and precise overview.

Buffalo AirStation AC433 / WMR-433-BK

The AirStation AC433 is a good choice for users. It is reliable and feature-rich, and it supports the latest Wi-Fi 6 technology. Buffalo is a well-respected manufacturer in the networking industry. They have a reputation for providing a variety of networking devices.

Buffalo AirStation AC433 specifications

NameAirStation AC433
Rated 4/5 based on 1483 user votes.


Dimensions45 x 45 x 15 mm
Weight19 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. If you purchase a router online or have it shipped, the weight may affect the overall cost.

Buffalo AirStation AC433 (WMR-433-BK) / 3


ChipsetRealtek RTL8881AM
Flash2 MB
Power supply5 V / 0.5 A

The Buffalo AirStation AC433 router has a Realtek RTL8881AM processor. Some router features and software need a certain amount of RAM. They need it to work well. More storage space comes from a larger flash memory. It can accommodate future firmware upgrades. Buffalo often releases firmware updates. They improve the router's features, security, and bugs. They also add new features. The 5 V / 0.5 A PSU provides power to the router. If it breaks, you can replace it with a new one.

Buffalo AirStation AC433 (WMR-433-BK) / 1


LAN ports1 x 10/100 Mbps
WAN portsno
Mobile networkno
VPN supportno

The AirStation AC433 router has built-in security features. They protect your network and devices. 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 WAN port on the AirStation AC433 router is a Fast Ethernet port, not a Gigabit Ethernet.

Buffalo AirStation AC433 (WMR-433-BK) / 5


Antennas1 x 1 dBi. internal
2.4 GHzyes
5 GHzyes
60 GHzno
StandardsIEEE 802.11a/b/g/n/ac
Speed433 Mbps
Transmit power23 dBm
Guest networkno

This router has 1 x 1 dBi. internal antennas. Antennas are key parts of wireless routers. They send and receive radio signals to make wireless connections. 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. The 5 GHz band offers better noise immunity and less interference. It also has more available channels. The AC Wi-Fi router is backward compatible with older Wi-Fi devices that support 802.11a/b/g/n standards.

Real-world AirStation AC433 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.

Buffalo AirStation AC433 (WMR-433-BK) / 4


USB portsno
Print serverno
File serverno

The AirStation AC433 router doesn't have file-server or print-server functionality.

Buffalo AirStation AC433 (WMR-433-BK) / 2


Default IP192.168.13.1
Default usernameadmin
Default password[on the label]

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 AC433 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
  • works on 5 GHz band


  • insufficient memory
  • insufficient flash
  • lack of Gigabit LAN
  • Non-gigabit WAN port
  • missing Wi-Fi 6 support
  • reduced Wi-Fi bandwidth
  • incompatible with WPA3
  • missing WPS support
  • no USB connectivity

Buffalo AirStation AC433 photos

Buffalo AirStation AC433 / WMR-433-BK photo
Buffalo AirStation AC433 / WMR-433-BK photo
Buffalo AirStation AC433 / WMR-433-BK photo
Buffalo AirStation AC433 / WMR-433-BK photo
Buffalo AirStation AC433 / WMR-433-BK photo
Buffalo AirStation AC433 / WMR-433-BK photo
Buffalo AirStation AC433 / WMR-433-BK

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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 AC433 (2014)