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ZyXEL NBG6503 router review

300 + 433 Mbps
IEEE 802.11a/b/g/n/ac
MediaTek MT7620 @ 580 MHz
64 MB / 8 MB

ZyXEL introduced the NBG6503 router in 2013. It is powered by MediaTek MT7620 @ 580 MHz chipset, 64 MB of RAM, and 8 MB of flash memory.

Curious to know if the NBG6503 is top-notch? Keep reading to find out!

Table of Contents

  • ZyXEL NBG6503 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
    • Links
  • 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. If you noticed any mistakes or missing details about the ZyXEL NBG6503, please let us know.

ZyXEL NBG6503 / NBG6503

The NBG6503 is a versatile router that offers more than basic functionality. It provides a fast network for homes and offices. ZyXEL is a well-known manufacturer in the networking industry.

ZyXEL NBG6503 specifications

BrandZyXEL
NameNBG6503
TypeNBG6503
Rating
Rated 3/5 based on 1550 user votes.
Launch2013

Body

Dimensions159 x 111 x 23 mm
Weight230 g

If you live in a small apartment, the size of the router is crucial to deciding whether it will fit. If you plan to mount your router on a wall or ceiling, the weight can affect the mounting process.

System

ChipsetMediaTek MT7620 @ 580 MHz
RAM64 MB
Flash8 MB
OSZyXEL
Power supply12 V / 1 A

The MediaTek MT7620 @ 580 MHz CPU affects the router's performance, working with RAM and firmware. The 64 MB of RAM helps the router manage many tasks concurrently

ZyXEL NBG6503 (NBG6503) / 2

Network

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

The NBG6503 router is compatible with IPv6. IPv6 offers many enhancements and improvements over IPv4. Wired connections may bottleneck due to the limits of Fast Ethernet ports.

Wireless

Antennas1 x 2 dBi
RP-SMA
2.4 GHzyes
5 GHzyes
60 GHzno
StandardsIEEE 802.11a/b/g/n/ac
ClassAC750
Speed300 + 433 Mbps
Transmit power20 dBm
SecurityWEP
WPA
WPA2
Guest networkyes

The 2.4GHz band refers to the part of the radio spectrum between 2.400 and 2.4835 gigahertz. To optimize your Wi-Fi experience, it's often recommended to use a combination of both 2.4 GHz and 5 GHz bands. The Wi-Fi router offers fast data speeds. They're good for streaming HD video, online gaming, and large file transfers. The introduction of WPA2 (Wi-Fi Protected Access 2) improved upon WEP. It provides stronger security.

ZyXEL NBG6503 (NBG6503) / 1

Connectivity

USB portsno
Print serverno
File serverno

The NBG6503 router doesn't have file-server or print-server functionality.

Administration

Default IP192.168.1.1
Default usernameadmin
Default password1234

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.

Official sitehttps://www.zyxel.com/

Pros and Cons

Every router, including this ZyXEL 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. Just remember, this is just what I think, and you might see things differently.

Pros

  • lightweight
  • sufficient memory
  • IPv6 capable
  • works on 5 GHz band

Cons

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

ZyXEL NBG6503 photos

ZyXEL NBG6503 / NBG6503 photo
ZyXEL NBG6503 / NBG6503 photo
ZyXEL NBG6503 / NBG6503 photo
ZyXEL NBG6503 / NBG6503

ZyXEL NBG6503 comparisons

We've noticed that many of our visitors like to compare the ZyXEL NBG6503 router with these popular models.

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Updated: May 25, 2024

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.