Is the x550-18XSQ end of life?

The x550-18XSQ is no longer available for purchase as of 2025-03-06, but Allied Telesis support is still active.

When is the x550-18XSQ end of sale date?

The Allied Telesis x550-18XSQ reached end of sale on 2025-03-06.

What replaces the x550-18XSQ?

Allied Telesis recommends the x250-18XS as a replacement for the x550-18XSQ.

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x550-18XSQ

Name: x550-18XSQ
Brand: Allied Telesis
SKU: x550-18XSQ
Availability: Discontinued

Allied Telesis Chassis · x550 Series

x550-18XSQ is no longer available for purchase. End-of-sale was 2025-03-06. Replacement: x250-18XS.

x550-18XSQ Lifecycle Overview

The Allied Telesis x550-18XSQ is a chassis product in the Allied Telesis x550 series. This product has reached end of sale as of 2025-03-06 and can no longer be ordered from Allied Telesis. Allied Telesis recommends the x250-18XS as a replacement.

Lifecycle Milestones

End of sale	2025-03-06

Recommended Replacement

x250-18XS

Applicable Platforms

x550

Source: Official Allied Telesis notice · Last verified 2026-04-17