IBM System Storage EXP3524 Expansion Unit — End-of-Life & EOSL Dates
IBM System Storage EXP3524 Expansion Unit enterprise hardware. End-of-support (last date of support / EOSL) date from IBM's Product Lifecycle, linked to the IBM lifecycle page for verification. IBM has not published an end-of-marketing date for this product.
Every tracked IBM System Storage EXP3524 Expansion Unit SKU group is past IBM end of service life (last group Jun 2020). Units in production should be treated as unsupported. For past-EOSL units, weigh third-party maintenance, spares, replacement, or a documented run-to-failure.
Available
Jun 1986
End of sale
Jun 2014
Last date of support
Jan 2019 – Jun 2020
Part numbers
3
91
months past last support
Why this score
- Past end of service life — 91 months ago
- Vendor-published date, source-linked
- Category: enterprise hardware
Support-lifecycle timing and source confidence only. Higher means more runway. It is not a risk, safety or compliance rating. How it is calculated
Part numbers in this family
Dates vary across 3 groups in this family, so every row carries its own. Find your exact part before you plan.
| Part number | Description | End of sale | Last support | Status |
|---|---|---|---|---|
| 1746-A4E | IBM System Storage EXP3524 Expansion Unit (enterprise hardware) | Jun 2014 | Jun 2020 | Past support |
| 1746-E4A | IBM System Storage EXP3524 Expansion Unit (enterprise hardware) | — | Jan 2019 | Past support |
| 1746-E4T | IBM System Storage EXP3524 Expansion Unit (enterprise hardware) | — | Jan 2019 | Past support |
Options from here
The IBM System Storage EXP3524 Expansion Unit is past IBM end of service life. These are the paths teams take from here:
Keep it in production past the OEM cutoff with an independent maintainer.
Buy spares now, while units still circulate on the secondary market.
It is unsupported today. Set a migration timeline and budget.
Low-criticality role: document the risk, harden backups, retire on your terms.
Independent and informational. EOSL.ai sells no hardware and no maintenance, and lists no paid placements. Third-party maintenance keeps unsupported gear in production past the OEM cutoff; whether it fits depends on the role the asset plays.
IBM System Storage EXP3524 Expansion Unit — questions
Is the IBM System Storage EXP3524 Expansion Unit end of life?
Yes. Every tracked System Storage EXP3524 Expansion Unit SKU group is past its last date of support.
What is the last date of support for the System Storage EXP3524 Expansion Unit?
Last dates of support across System Storage EXP3524 Expansion Unit SKU groups range from Jan 2019 to Jun 2020.
Where do these System Storage EXP3524 Expansion Unit dates come from?
Every end-of-sale and end-of-service-life date on this page links to the official IBM end-of-sale bulletin it was taken from.
On the same timetable
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