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ZyXEL N750 NBG5615 router review

300 + 450 Mbps
IEEE 802.11a/b/g/n
Ralink RT6856 @ 700 MHz
128 MB / 16 MB

ZyXEL introduced the N750 NBG5615 router in 2013. It is powered by Ralink RT6856 @ 700 MHz chipset, 128 MB of RAM, and 16 MB of flash memory.

Want to know if the N750 NBG5615 is a game-changer? Keep following along!

Table of Contents

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 ZyXEL N750 NBG5615, please let us know. Furthermore, we strive to deliver a thorough and precise overview.

ZyXEL N750 NBG5615 / NBG5615

The N750 NBG5615 is a versatile router that offers more than basic functionality. It has advanced features and capabilities. It provides a reliable, fast network for homes and offices. The USB connectors on the router add versatility to your network. They enable file sharing, printer sharing, and other USB functions. ZyXEL has a strong presence and offers a wide range of networking products.

ZyXEL N750 NBG5615 specifications

BrandZyXEL
NameN750 NBG5615
TypeNBG5615
Rating
Rated 4/5 based on 1454 user votes.
Launch2013

Body

Dimensions186 x 120 x 30 mm
Weight308 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.

System

ChipsetRalink RT6856 @ 700 MHz
RAM128 MB
Flash16 MB
OSZyXEL
Power supply12 V / 2 A

The Ralink RT6856 @ 700 MHz 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 16 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 ZyXEL provides the right power supply. It is 12 V / 2 A, this matches the router's voltage needs.

Network

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

Like many modern routers, the N750 NBG5615 supports many network standards too. Most networking equipment, like routers and switches, supports 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.

ZyXEL N750 NBG5615 (NBG5615) / 1

Wireless

Antennas3 x 3 dBi
fixed
2.4 GHzyes
5 GHzyes
60 GHzno
StandardsIEEE 802.11a/b/g/n
ClassN750
Speed300 + 450 Mbps
Transmit power20 dBm
SecurityWEP
WPA
WPA2
Guest networkyes

The 3 x 3 dBi, fixed antennas allow sending and getting many data streams at once. This boosts overall throughput and improves Wi-Fi performance. Many IoT devices, smart home devices, and older Wi-Fi devices mainly use the 2.4 GHz band. This router operates on both the 2.4GHz and 5GHz frequency bands. It lets you connect devices to the best band for their needs. Older routers have a more limited range than newer Wi-Fi standards. So, they are less suitable for larger homes or offices.

Real-world N750 NBG5615 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.

Connectivity

USB ports2 x USB 2.0
Print serveryes
File serveryes

The USB 2 port has a maximum theoretical data transfer rate of 480 megabits per second (Mbps). A USB print server adds print functionality. You can manage settings, watch queues, and control access from one place. The N750 NBG5615 router lets you schedule backups. You can back up to the connected USB storage device.

Administration

Default IP192.168.1.1
Default username[blank]
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 N750 NBG5615 router. Do this after the initial setup.

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. 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.

Pros

  • lightweight
  • sufficient memory
  • high-speed LAN port
  • high-speed WAN port
  • works on 5 GHz band
  • USB 2 compatible
  • printserver functionality
  • fileserver operation

Cons

  • insufficient flash
  • missing Wi-Fi 6 support
  • lacks Wi-Fi 5 compatibility
  • incompatible with WPA3
  • missing WPS support

ZyXEL N750 NBG5615 photos

ZyXEL NBG5615 / NBG5615 photo
ZyXEL NBG5615 / NBG5615 photo
ZyXEL N750 NBG5615 / NBG5615

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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.
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