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ZyXEL NBG6615 router review

300 + 867 Mbps
IEEE 802.11a/b/g/n/ac
Realtek RTL8197FS @ 660 MHz
128 MB / 16 MB

ZyXEL introduced the NBG6615 router in 2018. It is powered by Realtek RTL8197FS @ 660 MHz chipset, 128 MB of RAM, and 16 MB of flash memory.

Curious to see if this router impresses? Keep scrolling!

Table of Contents

  • ZyXEL NBG6615 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 NBG6615, please let us know.

ZyXEL NBG6615 / NBG6615

The NBG6615 supports dual-band Wi-Fi, offering both 2.4 GHz and 5 GHz bands. ZyXEL has a strong presence and offers a wide range of networking products.

ZyXEL NBG6615 specifications

BrandZyXEL
NameNBG6615
TypeNBG6615
Rating
Rated 4/5 based on 1180 user votes.
Launch2018

Body

Dimensions160 x 111.8 x 29.2 mm
Weight254 g

The dimensions of a router can impact its cooling capabilities. Larger routers have more room for internal cooling. If you buy a router online or have it shipped, the weight may affect the total cost.

ZyXEL NBG6615 (NBG6615) / 1

System

ChipsetRealtek RTL8197FS @ 660 MHz
RAM128 MB
Flash16 MB
OSZyXEL
Power supply12 V / 1.5 A

The ZyXEL NBG6615 router has a Realtek RTL8197FS @ 660 MHz processor. Some router features and software work best when they have enough RAM to help them.

ZyXEL NBG6615 (NBG6615) / 2

Network

ProtocolsIPv4
IPv6
LAN ports4 x 10/100/1000 Mbps
WAN ports1 x 10/100/1000 Mbps
Mobile networkno
VPN supportno

The latest firmware supports IPv6. It provides a system to identify and locate computers on networks. If you have a 1 Gbps or faster internet plan, you need gigabit Ethernet ports. The NBG6615 ensures that you can use fast internet from your ISP fully.

ZyXEL NBG6615 (NBG6615) / 3

Wireless

Antennas4 x 3 dBi
fixed
2.4 GHzyes
5 GHzyes
6 GHzno
60 GHzno
StandardsIEEE 802.11a/b/g/n/ac
ClassAC1200
Speed300 + 867 Mbps
Transmit power28 dBm
SecurityWPA
WPA2
WPS
Guest networkyes

The 2.4 GHz band is widely supported by many devices. The 5 GHz band offers better noise immunity and less interference. The AC Wi-Fi router is backward compatible with older Wi-Fi devices that support 802.11a/b/g/n standards. The introduction of WPA2 (Wi-Fi Protected Access 2) improved upon WEP. It provides stronger security. The Wi-Fi Protected Setup (WPS) lets you join a safe wireless network with the push of a button or a simple PIN entry.

Connectivity

USB portsno
Print serverno
File serverno

The NBG6615 router doesn't have file-server or print-server functionality.

Administration

Default IP192.168.2.1
Default usernameadmin
Default password1234

If you can't log in to your ZyXEL router's setup panel, try resetting it. A reset can help you troubleshoot. It is highly recommended to change the default password of your NBG6615 router. Do this after the initial setup.

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
  • high-speed LAN port
  • high-speed WAN port
  • works on 5 GHz band
  • WPS friendly

Cons

  • insufficient flash
  • missing Wi-Fi 6 support
  • incompatible with WPA3
  • no USB connectivity

ZyXEL NBG6615 photos

ZyXEL NBG6615 / NBG6615 photo
ZyXEL NBG6615 / NBG6615 photo
ZyXEL NBG6615 / NBG6615 photo
ZyXEL NBG6615 / NBG6615 photo
ZyXEL NBG6615 / NBG6615

ZyXEL NBG6615 comparisons

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Updated: June 16, 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.