Linksys WRT54GX4 router review

54 Mbps
IEEE 802.11b/g
Realtek RTL8651B @ 200 MHz
32 MB / 8 MB

Linksys introduced the WRT54GX4 router in 2005. It is powered by Realtek RTL8651B @ 200 MHz chipset, 32 MB of RAM, and 8 MB of flash memory.

Wondering if the Linksys WRT54GX4 is a must-have? You'll find out by the end of our article!

Table of Contents

  • Linksys WRT54GX4 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
  • 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 WRT54GX4, please let us know. Furthermore, we strive to deliver a thorough and precise overview.

Linksys WRT54GX4 / WRT54GX4

The WRT54GX4 router operates on the 2.4 GHz frequency band. It offers decent wireless coverage and works with many devices. Linksys places a strong emphasis on network security.

Linksys WRT54GX4 specifications

Rated 4/5 based on 1481 user votes.


Dimensions140 x 140 x 36 mm
Weight417 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 plan to mount your router on a wall or ceiling, the weight can affect the mounting process. It also affects the type of mounting hardware needed.


ChipsetRealtek RTL8651B @ 200 MHz
Flash8 MB
Power supply12 V / 1 A

The Linksys WRT54GX4 router has a Realtek RTL8651B @ 200 MHz processor. The 32 MB of RAM enables the router to handle multiple tasks and processes concurrently. Flash memory retains its data even when the router is off. This allows the router to keep its firmware and settings across reboots. Linksys often releases firmware updates. They improve the router's features, security, and bugs. They also add new features. The 12 V / 1 A PSU provides power to the router. If it breaks, you can replace it with a new one.


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

Like many modern routers, the Linksys WRT54GX4 supports many features and tech. They improve your network's connectivity and security. 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 WRT54GX4 router is a Fast Ethernet port, not a Gigabit Ethernet.


Antennas3 x 3 dBi
2.4 GHzyes
5 GHzno
60 GHzno
StandardsIEEE 802.11b/g
Speed54 Mbps
Transmit power20 dBm
Guest networkno

This router has 3 x 3 dBi, RP-SMA 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 802.11g or Wireless-G operates in the 2.4 GHz band. It provides faster data transfer at up to 54 Mbps. The top speed, 54 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.


USB portsno
Print serverno
File serverno

The WRT54GX4 router doesn't have file-server or print-server functionality.


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.


  • none


  • insufficient flash
  • lack of Gigabit LAN
  • Non-gigabit WAN port
  • missing Wi-Fi 6 support
  • lacks Wi-Fi 5 compatibility
  • reduced Wi-Fi bandwidth
  • incompatible with WPA3
  • missing WPS support
  • no USB connectivity

Linksys WRT54GX4 photos

Linksys WRT54GX4 / WRT54GX4 photo
Linksys WRT54GX4 / WRT54GX4

Linksys WRT54GX4 comparisons

We've noticed that many of our visitors like to compare the Linksys WRT54GX4 router with these popular models.

Linksys EA6100 Smart Wi-Fi  AC1200 (EA6100) Linksys EA6100 Smart Wi-Fi AC1200 Linksys WRT1900AC (WRT1900AC) Linksys WRT1900AC Linksys WRT55AG (WRT55AG) Linksys WRT55AG Linksys WRT54G2 (WRT54G2) Linksys WRT54G2

If there’s information about the Linksys WRT54GX4 that you would like to see on this site, then write to us.

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 / Linksys / Linksys WRT54GX4 (2005)