ASUS ZenWiFi ET9

Also sold as ZenWiFi AXE7800

Wi-Fi standard: Wi-Fi 6E
Speed class: AXE7800
Bands: Tri-band
Fastest port: 2.5 Gbps
Multi-gig ports: 1
Coverage: 2,850 sq ft
Mesh: AiMesh
VPN server: WireGuard, OpenVPN, IPSec

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ASUS ZenWiFi ET9 at a glance

Wi-Fi

Wi-Fi 6E, tri-band

Up to 2,402 Mbps on 5 GHz, plus 4,804 Mbps on 6 GHz.
Coverage

Mid-size homes

2,850 sq ft per unit, in packs of up to 3.
Wired

Multi-gig ready

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

Wired or wireless links

AiMesh. Dedicated backhaul band.
Security & VPN

No subscription needed

VPN: WireGuard, OpenVPN and IPSec. Parental controls.

ASUS ZenWiFi ET9 full specifications

Overview

Brand	ASUS
Model	ZenWiFi ET9
Model number	ET9
Hardware version	single version
Type	Mesh Wi-Fi System
Pack options	1-pack, 2-pack, 3-pack
UPC / GTIN	197105421806

Wi-Fi

Wi-Fi 6E, tri-band: a clear 6 GHz lane for newer devices.

It offers up to 2,402 Mbps on 5 GHz and 4,804 Mbps on 6 GHz. 6 GHz is fastest in the same room as the router and fades through walls.

Wi-Fi standard	Wi-Fi 6E
Speed class	AXE7800
Bands	Tri-band
Radios	2.4 GHz, 5 GHz, 6 GHz
Total Wi-Fi speed	7,800 Mbps
2.4 GHz speed	574 Mbps
5 GHz speed	2,402 Mbps
6 GHz speed	4,804 Mbps
Max channel width	160 MHz
Multi-Link Operation (MLO)	No
320 MHz on 6 GHz	No
Modulation	1024-QAM
Spatial streams	6 GHz 4x4, 5 GHz 2x2, 2.4 GHz 2x2
OFDMA	Yes
Beamforming	Yes

Coverage

Mid-size homes: the maker claims 2,850 sq ft per unit, and packs of up to 3 multiply that.

Coverage claims are measured in open space, so walls and floors cut them down.

Coverage (per unit)	2,850 sq ft
Antennas	6
Antenna type	Internal

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 1G
Fastest wired port	2.5 Gbps
Multi-gig ports	1
SFP ports	None
USB ports	1x USB 3.2 Gen 1x1
USB functions	file sharing, media server, Time Machine backup, 4G/5G modem failover/tethering
Cellular / tethering	USB 4G/5G modem and mobile tethering support
Link aggregation	Yes
Dual-WAN failover	Yes

Hardware

Hardware sized for typical home use.

1.7 GHz quad-core processor with 512 MB of RAM.

Processor	1.7 GHz quad-core
RAM	512 MB
Flash storage	256 MB

Mesh

A mesh system whose units can link over Ethernet as well as Wi-Fi.

A dedicated radio band carries the link between units, so your devices don't share it. It works with other AiMesh units.

Mesh support	Yes
Mesh ecosystem	AiMesh
Wired backhaul	Yes
Dedicated backhaul band	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
VPN server	IPSec, OpenVPN, PPTP, WireGuard
VPN client	L2TP, OpenVPN, PPTP, WireGuard
Security suite	AiProtection Pro (Trend Micro)
Subscription	None
Parental controls	Yes
QoS	Yes
Guest network	Yes
PPPoE	Yes
IPv6	Yes
WPA3	Yes
Firewall	Firewall (keyword, network service and URL filters)
Gaming features	None
Smart home	None
Voice assistants	Alexa, Google Assistant

Design & power

An indoor unit for a shelf or desk.

It weighs 740 g.

Dimensions	160 x 75 x 161.5 mm
Weight	740 g
Color	White
Power	12 V DC adapter, 3 A max (AC input 110-240 V)

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.