Side by side

ASUS ZenWiFi ET9 vs BT8: A two-gigabit plan reaches a wired room through BT8

Quick verdict

A two-gigabit plan that has to reach a wired room calls for BT8. ET9 is still a good fit for gigabit devices and ASUS controls, particularly if you already own it and have no need for a faster wired link.

Before you buy

Why, and what it costs you

Upgrading one LAN port changes the entire wired route

On a 2.5G WAN-to-satellite path, BT8 takes away the ET9 one-gigabit gateway exit.

Where this comes from

Minimum WAN/LAN rate: ET9 = min(2.5,1) = 1 Gbps, BT8 = min(2.5,2.5) = 2.5 Gbps.

The catch

ASUS ZenWiFi ET9 2-Pack

Wired backhaul has no multi-gigabit LAN port to use on the main node.

The catch

ASUS ZenWiFi BT8 2-Pack

Beside the gateway, only gigabit ports remain once the fast LAN port is used for wired backhaul.

ASUS ZenWiFi ET9 2-Pack

ASUS ZenWiFi ET9 2-Pack

Why pick it
  • Gigabit is all your room-to-room links require.
  • Wi-Fi 6E and three ordinary LAN sockets per unit are what you want.
The catch
Wired backhaul has no multi-gigabit LAN port to use on the main node.
See price & reviews on Amazon
ASUS ZenWiFi BT8 2-Pack

ASUS ZenWiFi BT8 2-Pack

Why pick it
  • Both a 2.5G WAN and 2.5G backhaul have to work at once.
  • Wi-Fi 7 is supported by your clients.
The catch
Beside the gateway, only gigabit ports remain once the fast LAN port is used for wired backhaul.
See price & reviews on Amazon

We may earn a commission from qualifying Amazon purchases. How we make money

Comparison updated , Product data updated , Amazon.com / United States

What this page compares

Both ASUS ET9 and BT8 have 6 GHz, yet their wired paths differ. Here is how they compare on a faster internet plan, wired backhaul and local controls.

Which one fits

Pick the situations that sound like you

  • A wired upstairs PC on two-gigabit service

    Gigabit LAN links are all the ET9 gateway offers.

    ASUS ZenWiFi ET9 2-Pack
    Caution
    ASUS ZenWiFi BT8 2-Pack
    Better fit
  • Wi-Fi 6E clients on a gigabit service

    The required radio band and link class are already supplied by ET9.

    ASUS ZenWiFi ET9 2-Pack
    Good
    ASUS ZenWiFi BT8 2-Pack
    Good
  • Two local devices next to the gateway

    Both are left with two gigabit sockets after WAN and backhaul.

    ASUS ZenWiFi ET9 2-Pack
    Similar
    ASUS ZenWiFi BT8 2-Pack
    Similar
  • A browser-managed ASUS network

    The same broad local administration approach stays on both.

    ASUS ZenWiFi ET9 2-Pack
    Similar
    ASUS ZenWiFi BT8 2-Pack
    Similar

In practice

Differences you will notice

Upgrading one LAN port changes the entire wired route

On a 2.5G WAN-to-satellite path, BT8 takes away the ET9 one-gigabit gateway exit.

How we worked this out

Minimum WAN/LAN rate: ET9 = min(2.5,1) = 1 Gbps, BT8 = min(2.5,2.5) = 2.5 Gbps.

Another local socket isn't lost to fast backhaul

Two ordinary LAN ports remain on BT8 once the backhaul cable is in.

How we worked this out

3 LAN ports are on each, and reserving one for the satellite leaves 2.

The count of bands remains three

BT8 brings neither a fourth radio nor 6 GHz for the first time.

How we worked this out

2.4 GHz, 5 GHz and 6 GHz appear in both official specifications.

Plug in your setup

Can this mesh kit handle your wired layout?

Wiring your mesh nodes together with Ethernet? Count the ports before you buy. This checks direct cables from the main unit to each satellite, with no extra network switch. These answers are placeholders until you apply your own.

ASUS ZenWiFi ET9 2-Pack

Passes these checks

The ports cover this 2-node wired layout with 1 gateway LAN port to spare. Your internet-to-device path tops out at a 1 Gb/s link ceiling before overhead, which is not a promised download speed.

ASUS ZenWiFi BT8 2-Pack

Passes these checks

The ports cover this 2-node wired layout with 1 gateway LAN port to spare. Your internet-to-device path tops out at a 1 Gb/s link ceiling before overhead, which is not a promised download speed.

Port speeds are physical link ratings. They do not measure Wi-Fi throughput. Cable quality, client adapters and network settings still matter. Every node you plan on must come in the linked bundle. This assumes router mode with one internet port and star wiring. PoE units also need a compatible power source, which this port check does not size. A switch, access-point mode or a different layout changes the result. It does not predict wireless coverage.

Option A
ASUS ZenWiFi ET9 2-Pack

ASUS, ZenWiFi ET9

ZenWiFi ET9 2-Pack

Households that want ASUS controls and several wired connections, without needing multi-gigabit cabling between rooms, are the fit for this Wi-Fi 6E option.

Best for
Three LAN sockets per node in a gigabit wired home that has 6 GHz devices

Facts we checked

  • Each unit has three Gigabit LAN ports and one 2.5 Gbps WAN port.
  • Being tri-band Wi-Fi 6E, it has a 6 GHz band.
  • Access point operation, AiProtection Pro and AiMesh are listed by ASUS.
Option B
ASUS ZenWiFi BT8 2-Pack

ASUS, ZenWiFi BT8

ZenWiFi BT8 2-Pack

This two-node kit gives you a fast wired link between floors and still leaves room for two ordinary Ethernet devices next to each node.

Best for
Local ASUS controls plus a 2.5 Gbps link between rooms

Facts we checked

  • Every node carries two Gigabit LAN ports, one 2.5 Gbps LAN port and one 2.5 Gbps WAN port.
  • Wi-Fi 7 is tri-band here, with radios for 2.4 GHz, 5 GHz and 6 GHz.
  • AiMesh, browser administration and AiProtection Pro are on ASUS's feature list.

Spec by spec

Where they really differ

Where ASUS ZenWiFi ET9 2-Pack and ASUS ZenWiFi BT8 2-Pack differ
SpecASUS ZenWiFi ET9 2-PackASUS ZenWiFi BT8 2-PackIn practice
WAN port2.5G2.5GThe same fastest internet handoff is accepted by both.
LAN ports3 × 1G1 × 2.5G and 2 × 1GOne LAN connection gets upgraded on BT8.
Wireless standardWi-Fi 6EWi-Fi 7Wi-Fi 7 features come with the newer model.
Bands2.4, 5 and 6 GHz2.4, 5 and 6 GHzBT8 isn't the only one with 6 GHz access.
After WAN and one wired satellite2 × 1G free2 × 1G freeThe number of ordinary local sockets is the same on both.
Selected package2 units2 unitsPrice comparisons should use the same number of nodes.

Trade-offs

What each pick costs you

With ASUS ZenWiFi ET9 2-Pack

  • Wi-Fi 7 is not on offer, only Wi-Fi 6E hardware.

With ASUS ZenWiFi BT8 2-Pack

  • Not all four of its Ethernet ports are multi-gigabit.

Decision guide

How to decide

01

The shared 2.5G WAN spec is not the whole story

A faster internet connection plugs into either box. They part ways once that traffic has to leave the main router over Ethernet, because BT8 has a second fast socket and ET9 does not.

02

6 GHz alone is no reason to replace ET9

The band is already on board. If you replace it, the reason should be something more specific, like multi-gig wired backhaul or a Wi-Fi 7 feature that your devices support.

03

Everyday device wiring looks the same

On either system, a TV and console next to the router still fit once WAN and the satellite are connected. What BT8 changes is the speed of the branch. The number of connections left stays the same.

Check these before you buy

  • Before paying for a faster wired route, make sure your upstairs adapter supports 2.5G.
  • Check which two-pack offers are live and which exact ET9 or BT8 model name each uses.

What this page can’t tell you

  • Router mode with the designated WAN socket in use is what the example assumes.
  • Signal through any particular floor cannot be predicted from either radio generation.

By the numbers

What the data shows

What we found across the mesh Wi-Fi systems we compare, plus the checked facts behind each finding.

How many fit

24 of the 35 models checked meet every need here: “My internet plan runs above one gigabit” and “I can run Ethernet between the mesh nodes”.

24 models fit, out of 35 checked
Show the facts and the math
Models in the comparison
35 models
Sources
4 covering these models
Product data updated

How we countedThe count uses each product's current fit ratings for “My internet plan runs above one gigabit” and “I can run Ethernet between the mesh nodes”. A need with no documented match is not counted.

The facts and sources behind each product in this recommendation
ProductNeeds it meetsFacts we checkedSources
ASUS ZenWiFi ET9 2-Pack
  • Wired backhaul
  • Each unit has three Gigabit LAN ports and one 2.5 Gbps WAN port.
  • Being tri-band Wi-Fi 6E, it has a 6 GHz band.
  • Access point operation, AiProtection Pro and AiMesh are listed by ASUS.
ASUS ZenWiFi BT8 2-Pack
  • Multi-gig plan
  • Wired backhaul
  • Every node carries two Gigabit LAN ports, one 2.5 Gbps LAN port and one 2.5 Gbps WAN port.
  • Wi-Fi 7 is tri-band here, with radios for 2.4 GHz, 5 GHz and 6 GHz.
  • AiMesh, browser administration and AiProtection Pro are on ASUS's feature list.

Ready to buy

See today’s price and what owners say

Open either model on Amazon for the current price, customer reviews and delivery options.

Each link opens in a new tab.

We may earn a commission from qualifying Amazon purchases. How we make money