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Technical Data Sheet
PartsTable / STORAGE_HDD / S22581
S22581 ✓ Verified by PartsTable
— · STORAGE_HDD · 3.5_SATA_HDD
WHAT YOU NEED TO KNOW
SAS backplane supports SATA, not vice versa NL-SAS = SAS protocol at nearline (7.2K) speed — NOT SATA
Gen8 LFF tray ≠ Gen10 tray — different screw holes
PRODUCT OVERVIEW

The IBM 70.56GB 15K RPM HARD DRIVE is a the manufacturer hard disk drive designed for enterprise environments demanding consistent performance and data integrity. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-01-223-8435, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
STORAGE_HDD→ 3.5_SATA_HDD→ S22581
NSN: 5999-01-223-8435
FSC: 5999
CAGE: 54560 — KONE CRANE DBA SHEPARD NILES (USA)
SPECIFICATIONS
Part NumberS22581
Capacity70.56GB
Speed15K RPM
NSN5999-01-223-8435
COMPONENT DIAGRAM
RELEASE LATCH 70.56GB NL-SAS 15K RPM S22581 OEM NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 70.56GB | NL-SAS 15K RPM NL-SAS uses SAS protocol at 7.2K RPM | SAS backplane supports SATA, not reverse Tray generation matters | Gen8 LFF tray differs from Gen10 TITLE LFF 3.5" DRIVE PN S22581 MFR OEM
KEY FEATURES
•
70.56GB Capacity
•
15K RPM Speed
TYPICAL APPLICATIONS
  • Enterprise storage arrays and SANs
  • Direct-attached storage (DAS) expansion
  • Database tier storage (OLTP, OLAP)
  • Virtual machine datastore expansion
  • Backup-to-disk and disaster recovery targets
  • Content delivery and media streaming storage
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
NY460-622-4PC498Interchangeable
interchangeable cross-reference
interchangeable
4327Interchangeable
IBM 70.56GB 15k RPM Hard Drive
interchangeable
1000A50Interchangeable
interchangeable cross-reference
interchangeable
8035Interchangeable
interchangeable cross-reference
interchangeable
7036-SS-20Interchangeable
interchangeable cross-reference
interchangeable
128C946H08Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S22581?
S22581 is a IBM 70.56GB 15K RPM HARD DRIVE. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace S22581?
There are 8 known substitutes for S22581: NY460-622-4PC498, 4327, 1000A50 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S22581?
S22581 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-01-223-8435. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026