1742-90U

IBM System Storage DS4500 — IBM System Storage DS4500 (storage system)

EOSL — PAST

138 mo

past end of service life

Lifecycle position

now

availableend of saleservice

AvailableApr 2005

End of saleNot published

End of serviceJan 2015IBM 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.

1742-90U — questions

Is the IBM 1742-90U still supported?

No. IBM's last date of support for 1742-90U was Jan 2015 (per the IBM end-of-sale bulletin) — it is past end of service life.

What is the last date of support (EOSL) for the 1742-90U?

Jan 2015 — per the IBM end-of-sale bulletin.

Can the 1742-90U be maintained after IBM support ends?

After the last date of support, 1742-90U units can often be kept in production through third-party maintenance providers. IBM no longer issues software fixes, support, or hardware replacement for it.