ASUS RT-BE90U

Wi-Fi standard: Wi-Fi 7
Speed class: BE9400
Bands: Tri-band
Fastest port: 2.5 Gbps
Multi-gig ports: 4
Coverage: 2,500 sq ft
Mesh: AiMesh
VPN server: WireGuard, OpenVPN, IPSec

We earn a commission from qualifying Amazon purchases made through our links, at no extra cost to you. This never affects our specs. How we make money.

Find it in these categories

ASUS RT-BE90U at a glance

Wi-Fi

Wi-Fi 7, tri-band

Up to 2,882 Mbps on 5 GHz, plus 5,764 Mbps on 6 GHz, Multi-Link Operation and 320 MHz channels.
Coverage

Mid-size homes

2,500 sq ft per unit. Up to 100 devices.
Wired

Multi-gig ready

Fastest port 2.5 Gbps. 3 LAN ports. USB port.
Mesh

Mesh-ready

AiMesh.
Security & VPN

No subscription needed

VPN: WireGuard, OpenVPN and IPSec. Parental controls.

ASUS RT-BE90U full specifications

Overview

Brand	ASUS
Model	ASUS RT-BE90U
Model number	RT-BE90U
Hardware version	single version
Type	Wi-Fi Router
Pack options	1-pack
UPC / GTIN	199291276697

Wi-Fi

Wi-Fi 7, tri-band: room to grow as Wi-Fi 7 phones and laptops arrive.

It offers up to 2,882 Mbps on 5 GHz, 5,764 Mbps on 6 GHz, Multi-Link Operation and 320 MHz channels. 6 GHz is fastest in the same room as the router and fades through walls.

Wi-Fi standard	Wi-Fi 7
Speed class	BE9400
Bands	Tri-band
Radios	2.4 GHz, 5 GHz, 6 GHz
Total Wi-Fi speed	9,400 Mbps
2.4 GHz speed	688 Mbps
5 GHz speed	2,882 Mbps
6 GHz speed	5,764 Mbps
Max channel width	320 MHz
Multi-Link Operation (MLO)	Yes
MLO modes	not specified
320 MHz on 6 GHz	Yes
Modulation	4096-QAM
Spatial streams	2x2 + 2x2 + 2x2
MU-MIMO	Yes
OFDMA	Yes

Coverage

Mid-size homes: the maker claims 2,500 sq ft per unit.

Rated for up to 100 connected devices. Real coverage depends on walls and floors, so use the claim to compare models.

Coverage (per unit)	2,500 sq ft
Max devices	100
Antennas	6
Antenna type	External

Ports

Ready for multi-gig internet: its fastest port runs at 2.5 Gbps.

3 LAN ports for wired devices. Internet: 1x 2.5G. A USB 3 port adds network storage or tethering. Dual-WAN failover keeps you online if the main line drops.

WAN ports	1x 2.5G
LAN ports	3x 2.5G
Fastest wired port	2.5 Gbps
Multi-gig ports	4
SFP ports	None
USB ports	1x USB 3.2 Gen 1 Type-A
USB functions	file sharing (Samba/FTP), media server, Time Machine, Download Master, 3G/4G/5G modem tethering
Cellular / tethering	No SIM slot; USB 4G LTE/5G mobile tethering and 3G/4G dongle
Configurable WAN/LAN	Yes
Dual-WAN failover	Yes

Hardware

Hardware sized for typical home use.

Quad-core 1.5 GHz processor with 1 GB of RAM.

Processor	Quad-core 1.5 GHz
RAM	1,024 MB
Flash storage	256 MB

Mesh

A standalone Wi-Fi router that can grow into a mesh with AiMesh.

Add a compatible unit later if some rooms are out of reach.

Mesh support	Yes
Mesh ecosystem	AiMesh
Wired backhaul	Yes

Software & security

Built-in VPN support (WireGuard, OpenVPN and IPSec) covers every device on the network.

Parental controls are built in.

Management	ASUS Router app + ASUSWRT web UI
Web interface	Yes
VPN server	IPSec, OpenVPN, PPTP, WireGuard
VPN client	L2TP, OpenVPN, PPTP, WireGuard
Security suite	AiProtection (Two-Way IPS, Router Security Assessment)
Subscription	None stated; parental controls described as subscription-free
Parental controls	Yes
QoS	Yes
Guest network	Yes
PPPoE	Yes
IPv6	Yes
WPA3	Yes
Firewall	Firewall (keyword, network service and URL filters)
IoT network	Yes

Design & power

An indoor unit that can sit on a shelf or mount on a wall.

It weighs 761 g.

Dimensions	320 x 180 x 191 mm
Weight	761 g
Color	Black
Power	12 V / 2.5 A DC adapter (AC input 110-240 V, 50-60 Hz)
Wall mountable	Yes

Support

3-year US warranty.

Warranty (US)	3 years

Specs compiled from ASUS's product pages and datasheets. Manufacturers revise hardware between versions, so check the version on the box. Spotted an error? Tell us.