Asus RT-AC51U+ router review
Asus introduced the RT-AC51U+ router in 2017. It is powered by MediaTek MT7620A @ 580 MHz chipset, 64 MB of RAM, and 16 MB of flash memory.
Want to know if this Asus router stands out? Stay tuned!
Table of Contents
- Asus RT-AC51U+ 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 Asus RT-AC51U+, please let us know.
![Asus RT-AC51U+ / RT-AC51UP](/p/3/355/asus-rt-ac51u-rt-ac51up-0.webp)
The RT-AC51U+ is a versatile router that offers more than basic functionality. It provides a fast network for homes and offices. Asus has a history of introducing innovative features and technologies into its products.
Asus RT-AC51U+ specifications
Brand | Asus |
---|---|
Name | RT-AC51U+ |
Type | RT-AC51UP |
Rating | |
Launch | 2017 |
Body
Dimensions | 189 x 129 x 36 mm |
---|---|
Weight | 270 g |
If you plan to move a lot and need to take your router with you, the size is important. Otherwise, the size isn't too crucial. If you buy a router online or have it shipped, the weight may affect the total cost.
System
Chipset | MediaTek MT7620A @ 580 MHz |
---|---|
RAM | 64 MB |
Flash | 16 MB |
OS | Asus |
Power supply | 12 V / 1 A |
The MediaTek MT7620A @ 580 MHz CPU provides processing power. Some router features and software work best when they have enough RAM to help them.
![Asus RT-AC51U+ (RT-AC51UP) / 1](/p/3/355/asus-rt-ac51u-rt-ac51up-1.webp)
Network
Protocols | IPv4 IPv6 |
---|---|
LAN ports | 4 x 10/100/1000 Mbps |
WAN ports | 1 x 10/100/1000 Mbps |
Mobile network | yes, with USB dongle |
VPN support | PPTP L2TP OpenVPN |
The router also supports IPv6. This allows you to use the latest Internet Protocol. If you have a 1 Gbps or faster internet plan, you need gigabit Ethernet ports. The RT-AC51U+ ensures that you can use fast internet from your ISP fully. You can connect the 3G/4G USB dongle to the USB port on the RT-AC51U+ router. OpenVPN uses a certificate-based authentication system. This enhances security and provides a stronger method of verification.
Wireless
Antennas | 2 x 5 dBi RP-SMA |
---|---|
2.4 GHz | yes |
5 GHz | yes |
60 GHz | no |
Standards | IEEE 802.11a/b/g/n/ac |
Class | AC750 |
Speed | 300 + 433 Mbps |
Transmit power | 18.5 dBm |
Security | WEP WPA WPA2 WPS |
Guest network | yes |
The RT-AC51U+ is compatible with 2.4 GHz Wi-Fi networks. Using the 5 GHz band can move some devices from the crowded 2.4 GHz band. 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.
![Asus RT-AC51U+ (RT-AC51UP) / 2](/p/3/355/asus-rt-ac51u-rt-ac51up-2.webp)
Connectivity
USB ports | 1 x USB 2.0 |
---|---|
Print server | yes |
File server | yes |
The USB 2 port has a maximum theoretical data transfer rate of 480 megabits per second (Mbps). By connecting a USB printer to the RT-AC51U+ router, you can make it accessible to all devices on your network. This router has a USB file server. It lets you connect external storage devices to your network.
Administration
Default IP | 192.168.1.1 |
---|---|
Default username | admin |
Default password | admin |
If you can't log in to your Asus router's setup panel, try resetting it. A reset can help you troubleshoot. It is highly recommended to change the default password of your RT-AC51U+ router. Do this after the initial setup.
Links
Official site | https://www.asus.com/ |
---|
Pros and Cons
Every router, including this Asus 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
- 3/4G USB modem capable
- supports OpenVPN
- works on 5 GHz band
- WPS friendly
- USB 2 compatible
- printserver functionality
- fileserver operation
Cons
- insufficient flash
- missing Wi-Fi 6 support
- incompatible with WPA3
Asus RT-AC51U+ photos
![Asus RT-AC51U+ / RT-AC51UP photo](/p/3/355/t-asus-rt-ac51u-rt-ac51up-0.webp)
![Asus RT-AC51U+ / RT-AC51UP photo](/p/3/355/t-asus-rt-ac51u-rt-ac51up-1.webp)
![Asus RT-AC51U+ / RT-AC51UP photo](/p/3/355/t-asus-rt-ac51u-rt-ac51up-2.webp)
![Asus RT-AC51U+ / RT-AC51UP](/p/3/355/asus-rt-ac51u-rt-ac51up-0.webp)
Asus RT-AC51U+ comparisons
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Updated: May 25, 2024
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