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Deco XE75 vs Deco S4: Choose by 6 GHz Devices and Wired Connections

Choose the XE75 if you have Wi-Fi 6E clients you want to connect on 6 GHz or want its tri-band setup options. The S4 covers 2.4/5 GHz clients and can use wired backhaul too, but verify its hardware revision before planning around Ethernet port count: official S4 versions differ.

Published by Pickoryx · Published 2026-10-20

Source checked 2026-10-20 22:33 UTC

Products compared

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The buying question

Does the XE75's 6 GHz Wi-Fi 6E option matter for your clients, and will the exact S4 revision provide enough Ethernet ports for your wiring plan?

The XE75 adds a 6 GHz band and documents three Gigabit ports per unit; the S4 is dual-band, and its documented port count varies across hardware revisions.

Quick verdict

Choose Deco XE75 (3-pack) if

  • You have Wi-Fi 6E devices and want the option of a 6 GHz client network, after confirming the XE75 hardware-version guide for the unit you receive.
  • You want the XE75's published three-Gigabit-port layout; if considering the S4 for the same wired plan, confirm its hardware revision because official U.S. documentation lists both two- and three-port versions.

Choose Deco S4 (3-pack) if

  • Your clients use 2.4 and 5 GHz and the S4's confirmed hardware revision provides the wired-port layout your nodes need.
  • You prefer the S4's dual-band setup and do not need 6 GHz client access.
When the recommendation changes
  • The recommendation changes if you do not own Wi-Fi 6E clients, or if the exact S4 hardware revision and price make its 2.4/5 GHz setup the better fit.
  • A confirmed S4 hardware label showing a different port layout changes the wired-connection comparison.

The differences that matter

Wireless And Backhaul Setup

Deco XE75 (3-pack)

XE75 is a tri-band Wi-Fi 6E system with 2.4, 5, and 6 GHz bands. The XE75 V1 guide says 6 GHz defaults to dedicated backhaul and can be configured for client Wi-Fi; only Wi-Fi 6E-capable clients can join that 6 GHz network.[1, 4]

Deco S4 (3-pack)

S4 is dual-band Wi-Fi 5 on 2.4 and 5 GHz; TP-Link lists optional Ethernet backhaul. It has no 6 GHz client band in the U.S. specifications.[5]

What this changes: Choose around the devices and wiring you already have: 6 GHz client access requires compatible Wi-Fi 6E devices, while both systems can use Ethernet backhaul. The V1 6 GHz default behavior is version-specific, so confirm the XE75 label and matching guide.[4, 1, 5]

The better fit depends on your priorities

Ports And Management Workflow

Deco XE75 (3-pack)

TP-Link's U.S. XE75 page lists three Gigabit WAN/LAN auto-sensing ports per unit.[1]

Deco S4 (3-pack)

S4 port count depends on hardware version in TP-Link's U.S. documentation: the V2 guide shows two RJ-45 ports per unit, while the current V3.60 family page lists three Gigabit WAN/LAN ports. The three-pack listing does not reveal which revision is supplied.[7, 5, 6]

What this changes: If you plan to wire a modem, a backhaul cable, and additional equipment at a node, count the ports on the exact hardware revision before buying. Both are managed through the Deco app and a TP-Link ID; app features vary by model.[1, 7, 5, 6, 8]

The better fit depends on your priorities

Value and trade-offs

The offers shown are per listed package; check the quantities and current terms on Amazon before comparing totals.

If the XE75 costs more, the feature case depends on whether you will use its 6 GHz capability or need its published port layout. Price history is unavailable here; compare current offers for the exact three-packs.

Price history is unavailable for this comparison; compare current offers for the exact three-packs before deciding.

Limitations

  • The marketplace model names identify three-packs but do not establish the hardware version shipped for either ASIN. TP-Link lists multiple U.S. hardware revisions for both model families; verify the label and matching guide before relying on revision-specific behavior.
  • The XE75 V1 user guide describes 6 GHz as dedicated backhaul by default and permits client Wi-Fi when configured; that setting behavior should not be assumed for an unidentified revision without checking its manual.
  • No controlled head-to-head speed or coverage testing was performed. Manufacturer maximum PHY rates and coverage estimates do not predict results in a particular home.
  • Price history is unavailable for this choice; compare current offers for the exact three-packs before deciding.

Questions shoppers ask

Do both systems support wired Ethernet backhaul?

TP-Link lists optional Ethernet backhaul for both the XE75 and S4. Check the port count and layout for the hardware revision you will receive, especially for the S4.

Can every phone or laptop use the XE75's 6 GHz band?

No. TP-Link's XE75 V1 guide says only Wi-Fi 6E-compatible devices can join a 6 GHz client network. Check your device specifications and the XE75 revision guide before planning around 6 GHz access.

Do their management apps require different accounts?

Both use TP-Link's Deco app. TP-Link says the app uses a TP-Link ID and that available app features can vary by Deco model.

Methodology and sources

Compared the published Wi-Fi bands and Ethernet-backhaul options, then checked U.S. hardware-version documentation for per-node port and setup details. No measured speed or coverage comparison was made.

Automated structuring organized the comparison; product facts were checked against the cited TP-Link pages and guides.

View 8 sources
  1. 1.Deco XE75 | AXE5400 Tri-Band Mesh Wi-Fi 6E SystemTP-Link US · Official specifications · Source checked 2026-10-20 22:33 UTC
    Evidence used on this page
    • Overview and specifications: 3-pack identity, Wi-Fi 6E bands, Ethernet backhaul, 3 Gigabit ports per unit, WAN/LAN auto-sensing, package contents: TP-Link lists the XE75 as a tri-band Wi-Fi 6E three-pack with 2.4, 5, and 6 GHz bands, optional Ethernet backhaul, and three Gigabit WAN/LAN auto-sensing ports per unit. The page cautions actual throughput and coverage vary with conditions and clients.
  2. 2.Download for Deco XE75 | TP-Link US SupportTP-Link US Support · Official support · Source checked 2026-10-20 22:33 UTC
    Evidence used on this page
    • Hardware version selector and linked version-specific U.S. datasheet/user guides: The U.S. support page lists XE75 hardware versions V1, V1.60, V2, V2.60, and V3.60 and directs buyers to the product label and matching documentation; the three-pack listing does not identify its hardware version.
  3. 3.Deco XE75 User Guide (REV3.0.0)TP-Link US · Official support · Source checked 2026-10-20 22:33 UTC
    Evidence used on this page
    • Pages 2-4: speed disclaimer, three Ethernet ports, Deco app setup and TP-Link ID: The V3 guide identifies three RJ-45 Ethernet ports per Deco and setup through the iOS/Android Deco app with a TP-Link ID. It states maximum wireless rates are not guaranteed and vary with network conditions, client limitations, and environment.
  4. 4.Deco XE75 User Guide (V1.0)TP-Link · Official support · Source checked 2026-10-20 22:33 UTC
    Evidence used on this page
    • Page 31: 6 GHz dedicated backhaul default, optional Wi-Fi network use, Wi-Fi 6E client requirement: The V1 manual says the 6 GHz band is used for dedicated backhaul by default; if configured for client Wi-Fi, only Wi-Fi 6E-compatible devices can find and join it. This is version-specific evidence, so the buyer should match the device label to its guide before relying on settings behavior.
  5. 5.Deco S4 | AC1900 Whole Home Mesh Wi-Fi SystemTP-Link US · Official specifications · Source checked 2026-10-20 22:33 UTC
    Evidence used on this page
    • U.S. family page: S4 V3.60, 3-pack, dual-band 2.4/5 GHz, optional Ethernet backhaul, three Gigabit WAN/LAN ports on the displayed version, app setup: The U.S. S4 page shows a three-pack option and the current displayed V3.60 version, with dual-band 2.4/5 GHz Wi-Fi, optional Ethernet backhaul, and three Gigabit WAN/LAN ports. The page does not establish which hardware revision a marketplace listing ships.
  6. 6.Download for Deco S4 V2 | TP-Link US SupportTP-Link US Support · Official support · Source checked 2026-10-20 22:33 UTC
    Evidence used on this page
    • Hardware-version selector and U.S. V2 datasheet/user-guide links: The U.S. support page lists S4 hardware versions including V2, V2.60, V2.80, V3.26, V3.46, V3.60 and V4.60, and says availability varies by region. It links version-specific documentation.
  7. 7.Deco S4 V2 User Guide: AppearanceTP-Link US · Official support · Source checked 2026-10-20 22:33 UTC
    Evidence used on this page
    • Appearance: The S4 V2 guide states that each unit has two RJ-45 Ethernet ports. This must not be generalized to other S4 hardware revisions.
  8. 8.Deco App Overview: Features, Setup, and SettingsTP-Link US Support · Official support · Source checked 2026-10-20 22:33 UTC
    Evidence used on this page
    • Deco app login and feature availability sections: The Deco app is free to download on Android and iOS and uses a TP-Link ID; the app can manage Deco networks and clients, while available features vary by Deco model.