1746-A4E

IBM System Storage EXP3524 Expansion Unit — IBM System Storage EXP3524 Expansion Unit (enterprise hardware)

EOSL — PAST

73 mo

past end of service life

Lifecycle position

now

availableend of saleservice

AvailableJun 1986

End of saleNot published

End of serviceJun 2020IBM bulletin ↗

Options from here

Third-party maintenance

Keep it in production past the OEM cutoff with an independent maintainer.

Pre-stock spares

Buy spares now, while units still circulate on the secondary market.

Plan replacement

It is unsupported today — set a migration timeline and budget.

Run to failure

Low-criticality role — document the risk, harden backups, retire on your terms.

Other SKUs in System Storage EXP3524 Expansion Unit

1746-E4AIBM System Storage EXP3524 Expansion Unit (enterprise hardware)›1746-E4TIBM System Storage EXP3524 Expansion Unit (enterprise hardware)›

1746-A4E — questions

Is the IBM 1746-A4E still supported?

No. IBM's last date of support for 1746-A4E was Jun 2020 (per the IBM end-of-sale bulletin) — it is past end of service life.

What is the last date of support (EOSL) for the 1746-A4E?

Jun 2020 — per the IBM end-of-sale bulletin.

Can the 1746-A4E be maintained after IBM support ends?

After the last date of support, 1746-A4E units can often be kept in production through third-party maintenance providers. IBM no longer issues software fixes, support, or hardware replacement for it.