Customer Ratings & Reviews

ASUS - BE9400 Tri-Band Wi-Fi 7 Router is focused on great performance and a plethora of features you would want in a capable middle to high tier router. This model only has one WAN and three LAN & ports all 2.5Gbps. My service provider tops out a 1Gbps up/down so I couldn’t realize the true potential of the premium connectivity, however internal copies between devices on my network were able to use this additional capacity. This router is Wi-Fi 7 compatible AND Tri-band. There are lesser “Wi-Fi 7” routers out there that are only dual band. ASUS - BE9400 Tri-Band Wi-Fi 7 Router implements MLO (Multi-Link Operation) simultaneously to communicate with devices over all three Wi-Fi bands 2.4/5 & 6 ghz for those compatible devices, a trifecta of communications. In addition, a USB-A 3.0 port is on the back of the unit so you can setup a basic Network Attached Storage (NAS) for file sharing and streaming via the on-router USB 3.0 USB-A port. The unit also has six external antennas which can be swiveled. I prefer external antennas over the ASUS ROG BE18000 gaming router (more later on that router) which has internal antennas. Setup is fairly simple using the ASUS Router app, you can also access the admin console via the web interface. I am experienced in setting up home networks and the mobile app did just about everything I needed including setup of an IOT and guest networks (IOT for devices such as connected refrigerators and thermostats). I also like that a lot of the functionality in the mobile app did not require cloud management of the router, which is really appealing as I do not want adversaries to have data about devices living on my internal home network. Testing yielded good results in most portions of my home, only a few of my devices can use Wi-Fi 7 and specifically the 6ghz band (the “Tri” in “Tri-band). This router had no hiccups over the course of the week I used it and noticed no real difference between the more expensive ASUS ROG BE18000 router that I have been using for over a year. After a week I decided to utilize the AIMesh capabilities of this router, creating an Wi-Fi mesh system with my compatible ASUS ROG BE18000 router. Since that router was introduced last year (2025) and it still has more processing power and more ethernet ports I decided to just reset the new ASUS - BE9400 router back to factory settings as a first step in trying create a mesh network. Using the ASUS mobile app I was able to create a mesh network with ease, just adding the BE9400 router as node. The setup establishes a 6ghz backhaul (for traffic between each router using a dedicated channel). The concept of one network SSID meshed throughout the house great providing great signal coverage. It was certainly improved from my first gen, circa 2017 Linksys Velop mesh system. The mesh system even solved my problem with one of my Ring cameras being chronically offline, as the new ASUS - BE9400 router is now covering that portion of my home. Placing the BE9400 as a node in my secondary work area solved “my need for speed problem”, where I was lucky to get 100 megabits from my primary single ASUS router solution. Now I get almost gigabit via an ethernet port. Overall, there is not much to NOT LIKE about this router, it performs very well, the admin interface and mobile app are well done and there are many more features which I intend on enabling (such as per device network throttling). This router gets props for the simplicity of mating two ASUS routers to create a seamless mesh network and providing numerous ways to configure that mesh network. I was even able to assign devices specifically to each node in the mesh network as well as create a exclusive SSID on the BE9400 so I could connect that problematic Ring device and assign Wi-Fi band @ 5 ghz >>> Pros >> Wi-Fi 7 compatible, includes 2.4, 5 AND 6ghz bands >> all WAN and LAN ports are of the 2.5gbps variety >> good mobile app >> easy mesh network configuration leveraging ASUS AIMesh technology >> configuration options, VPN, IOT and guest network >> MLO – Multi-Link- Operation for additional throughput on capable devices. <<< CONS << needs at least two more ethernet ports.

Router was packed very nicely, and includes the router, adapter, and LAN cable. . Boasting very respectable specs, including Wi-Fi 7, tri-band technology that delivers speeds up tp 9.4Gbs / second, up to 100 devices, and extensive security, firewall and data encryption. Internal memory of 256Mb flash and 1Gb DDR4. These are just a few of the numerous specs – much more extensive information can be found on line. The back connections consist of three 2.5G LAN ports, one 2.5G WLAN port, one USB WAN port, and power port. The six fold out antennas can cover up to 2500 sq. ft. Fold out the 6 antennas and plug in. Download the Asus router app and begin set up. At this point, I did run into some trouble with integration of the modem, router, and ISP settings. This made it necessary to reach out to the individual devices technical support. After up and running, I found that the router preformed well. I was impressed with the range which provided great coverage throughout entire home. And, with multiple devices running – TV's, computers, phones, tablets – I did not experience any slow downs or interruptions. The router has been a big improvement over my previous set up, as far as speed, coverage, security, and ability to manage multiple devices.

Setup: Onboarding the RT-BE90U was straightforward using the included QR code and the Asus mobile app. The setup wizard guided me through the initial configuration in minutes and proactively prompted me to create an isolated IoT network alongside the primary SSID, which is a great touch for keeping smart home gear segregated. Right after initial setup, the app prompted me to link the router login to a third-party account such as Google, Apple, Microsoft, or Facebook. I linked my Gmail account, saving me from remembering another set of router credentials while also enabling optional Google Assistant voice controls. Hands-On Experience and Daily Use: As a standalone unit, the router pushed impressive bandwidth close to the source, but coverage dropped noticeably across physical distance. On my 750 Mbps down and 39 Mbps up plan, I hit 100 percent of my provisioned speed in the primary room and adjacent areas. Further away on the same floor, speeds dropped to roughly 400 Mbps down and 30 Mbps up. Moving upstairs, bandwidth dropped to around 220 Mbps down and 20 Mbps up, with the furthest back bedrooms bottoming out near 130 Mbps down. While 130 Mbps easily handles casual streaming and gaming, latency climbed noticeably further out on the main floor and even more upstairs. I also noticed occasional speed fluctuations, suggesting the router can hesitate when balancing multiple wireless frequencies across active clients. Adding an AiMesh node would be necessary to keep latency stable across a two-story home. Device stability was generally solid across most hardware, but I ran into a persistent quirk with my iPhone. The phone frequently dropped connection to the router and attempted to roam onto other saved networks, even with the router running the latest firmware. Every other laptop, streaming box, and wireless client in the house maintained a stable link without dropping, so this may have been an isolated client-side handshake issue, but it was frustrating during regular phone use. The software offers some great management tools alongside a few notable flaws. The QoS section is well designed, giving you the flexibility to prioritize tasks like work from home, learn from home, gaming, or media streaming globally at the router level, or drill down into individual devices to assign specific bandwidth priority. In the Insights tab, the built-in Trend Micro engine provides transparent protection against malicious sites and two-way IPS intrusions without subscription fees. The mobile app functions strictly while connected to your local network, preventing remote management when away from home. While that limits on-the-go checks, it provides an extra layer of privacy and network security. The Family Protection feature, however, was a major disappointment. On paper, it looks comprehensive with options to set age ranges, scheduled internet hours, and category-level content blocking. In actual testing, the content filtering failed to categorize traffic properly. Devices were still able to stream video and visit sites that were explicitly marked as blocked. The only parental control function that worked consistently was the blanket toggle to shut off all internet access to a profile. Because the automated content filtering let restricted material through, I cannot trust the built-in family protections for child safety. Pros • Flexible router and per-device QoS • Convenient single sign-on account linking • Free built-in Trend Micro security • Full internet speeds up close • Helpful dedicated IoT network prompt Cons • Unreliable content category filtering rules • Speeds drop significantly with distance • Higher latency on upper floors • Occasional iPhone wireless connection drops • App restricted to local network Final thought: The Asus RT-BE90U BE9400 delivers strong close-range throughput, granular QoS management, and subscription-free security, but inconsistent family content filters, client drop quirks, and range fall-off make it tough to recommend for large multi-story homes without an AiMesh node.

The Asus BE9400 Tri-Band Wifi 7 Router is a solid mid-tier router with plenty of performance and coverage for the average household including AIMesh capability for expansion with compatible hardware to create a mesh system. With 2.5 Gig LAN and WAN ports, it should be sufficient for most households but it does not have the ultra fast 10 Gig speeds that some higher end options will have (If you have the means to utilize those speeds). IN THE BOX: - Router - Power Adapter - Short Ethernet Cable SETUP: Find your internet provider's modem, plug in the ethernet cable to both devices, power on the router, and download the ASUS app to start the setup process. This process should take no more than 45 minutes even with taking your time assuming the software updates and ISP configurations play nicely with your new hardware. The router “only” has 2.5 Gig ports which means if you have faster ISP speeds, your router will be the limiting factor. This isn’t a problem for most residential applications. It also only has three LAN ports which means if you have more than three hardwired devices you want to plug into this router, you will need a switch for further expansion. Given most devices are wireless these days, this shouldn’t be an issue. USAGE: The fact this router is Tri-Band (Supports 2.4Ghz, 5Ghz, and 6Ghz) is nice as it supports old, current, and new devices that may have differing requirements. The USB port on the rear of the device can be used for file sharing across the network which is nice for those who like to backup files or access them across multiple devices. Of course the antennas provide some adjustment for signals across the different bands but ideally the router should be placed centrally in a home for best performance. I have run a longer CAT6 cable from my modem to my office where I keep the router. This provided excellent coverage across my 1500sq ft house with outdoor coverage as well. If you have outdoor security cameras, this should provide sufficient signal for those devices mounted outside. One of the nice features is Smart AiMesh which allows you to create a Mesh network using compatible Asus routers. If you find that one device doesn’t provide enough coverage, this would allow multiple routers to cover the entire house. Speeds were what I was expecting given my current setup and my 2 Gig fiber internet service. I was easily seeing near 1 Gig wireless connectivity through many of my newer Wifi 6/7 devices at close range. As you get farther away, speeds will drop but not enough to impact performance meaningfully. OVERALL: I would recommend the Asus BE9400 for anyone looking for a solid router with excellent performance and future expansion capability. Providing enough speed and capability for the average IOT household, this router should last many years.

This router works for up to 2500 square feet and can handle up to 100 connected devices. If you have more square feet or have a second floor, you may need an AiMesh extender which works easily with this router. I appreciate that it can handle up to 100 devices since I have 23 smart bulbs alone, along with 3 televisions, 2 computers and all of my other smart home devices, this is truly needed. This router has the look of a traditional one with six external antennas (four on the back and two on the sides) and a low sleek design. It comes in at twelve and a half inches long, seven inches in depth and about seven and a half inches high, if the antennas are straight up. You can either mount this to the wall or leave it on any flat surface near your modem. This tri-band router combines 2.4, 5 and 6 Ghz bands for all my WiFi needs. On the back there are three 2.5 Gbps Ethernet ports for any devices that need to be connected and a USB 3.2 Gen port. There is also a power input jack, a power switch button, WPS button and the Ethernet in port. This can handle all my smart hubs easily. Setup is straightforward. Plug the Ethernet cable to the modem and router. Download the Asus router app and follow the instructions, all of this takes about 30 minutes if you include how long it takes to download any updates. I have found this delivers fast speed and is very reliable up to 20 feet away with no problems. My laptop which has WiFi 6E shows speeds near my 1Gbps plan. The further you get from the router the more the speed drops, so it doesn’t work as well in the far corners of my yard, but may if I bought an extender if I really need it that far away. This router can easily handle 4K streaming and casual gaming. I recommend this router because it completely future proofs my home network for the next several years and will ensure I get the absolute maximum performance out of my current internet plan. This also handles all the dozens of smart devices I have with ease and will work with any newer phones or laptops that have WiFi 7 that I get in the future.

I’ve gone through a few routers over the years and this one is the clearest upgrade I’ve felt in a long time. The tri-band WiFi 7 setup covering 2.4, 5, and 6GHz handles everything in the house without breaking a sweat. The 6GHz band in particular is a game changer for close-range devices, fast and uncongested in a way the older bands just can’t match anymore. Multiple devices hammering the network at the same time and nothing slows down. Streaming, gaming, video calls, smart home devices, all running together without any of them feeling the others. Previous routers I’ve owned would start showing cracks under that kind of load. This one doesn’t. The four 2.5Gb ethernet ports are a huge win if you’re running a multi-gig fiber connection or a home server. I have a Plex server on the network and this router handles it without missing a beat. Multiple streams going to different devices around the house while everything else runs in the background, and there’s zero congestion. Paired with fiber internet it finally feels like the network is no longer the weak link in the chain. AiMesh support means this works as a standalone router today and expands into a mesh system later if coverage ever becomes a need. The ASUS router app makes setup and management clean and straightforward without requiring a browser and a prayer. For a home network that needs to handle a lot of devices without compromise, this router is a serious piece of hardware.

This router is bigger than I thought it would be, but it works. Now, on the review. Hardware and build quality is solid, even though it's just made of plastic like more things like this. I like the design, and the way it looks with the antennas compared to my older model. They simple stable and will not break off easy, depending on where it is located. So make Sure keep it out of the reach of your little children or grandchildren. It enough pressure is applied, or it suffers a hard fall one might break or come off. The signal: Very strong, and very stable. I have lots of Wifi 7 devices, so I'm able to see the real speeds. I tested on different areas in my house, and multiple devices. All of which did very well. While 7 does not have the distance I'd like, it works very well when in range. So keep this in mind you position it in your house. Try to put it in a place where it's in the center of your house, and you should be good to go. Overall I recommend this router, because it has a strong signal.