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PartsTable / STORAGE_HDD / 41Y8421
41Y8421 ✓ Verified by PartsTable
IBM · STORAGE_HDD · 2.5_SAS_HDD
WHAT YOU NEED TO KNOW
SAS HDD backplane accepts SATA drives, SATA backplane does NOT accept SAS 2.5" SAS HDDs come with or without carrier/tray — ALWAYS ASK
ALWAYS confirm carrier/tray PN — server-specific trays vary by generation
PRODUCT OVERVIEW

The IBM 139GB 15K SAS Disk Drive is a IBM hard disk drive designed for enterprise environments demanding consistent performance and data integrity. Key specifications include special_features: 146 GB, 15000 RPM GB, end_item_identification: ENROUTE AUTOMATION MODERNIZATION (ERAM), part_name_assigned_by_controlling_agency: SAS DISK DRIVE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-587-8344, 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→ 2.5_SAS_HDD→ 41Y8421
NSN: 7025-01-587-8344
FSC: 7025
CAGE: 30874 — INTERNATIONAL BUSINESS MACHINES CORPORATION DBA IBM (USA)
SPECIFICATIONS
special_features146 GB, 15000 RPM GB
end_item_identificationENROUTE AUTOMATION MODERNIZATION (ERAM)
part_name_assigned_by_controlling_agencySAS DISK DRIVE
NSN7025-01-587-8344
COMPONENT DIAGRAM
LABEL 139GB HDD SAS 12Gb/s 69.85 mm (2.75") 100.0 mm 2.5" HDD — MECHANICAL Spinning disk, hot-swap SAS 12Gb/s — Dual-port 139GB | 7200 / 10K / 15K RPM FORM FACTOR — 2.5" Hot-swap, carrier-specific MOUNTING — 4x M3 bottom Standard SFF screw pattern TITLE HDD DRIVE PN 41Y8421 MFR IBM IBM 139GB 15K SAS Disk Drive
KEY FEATURES
•
139GB 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
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYSAS DISK DRIVE
END ITEM IDENTIFICATIONENROUTE AUTOMATION MODERNIZATION (ERAM)
SPECIAL FEATURES146 GB, 15000 RPM GB
PART NAME ASSIGNED BY CONTROLLING AGENCYSAS DISK DRIVE
END ITEM IDENTIFICATIONENROUTE AUTOMATION MODERNIZATION (ERAM)
SPECIAL FEATURES146 GB, 15000 RPM GB
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
42R4234Interchangeable
Same NIIN cross-reference
interchangeable
0B22155Interchangeable
Same NIIN cross-reference
interchangeable
10N7232Interchangeable
IBM 146.8GB 15K RPM SAS Disk Drive
interchangeable
43W7524Compatible
IBM 146Gb SAS 3G 15K LFF HDD - Option
compatible
41Y8401Compatible
IBM 146GB SAS 3G 15k LFF HDD - P/n
compatible
41Y8441Compatible
IBM 146GB SAS 3G 15k LFF HDD - P/n
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 8
41Y8401SUBSTITUTE
IBM 146Gb SAS 3G 15K LFF HDD - P/N
IBM
41Y8441SUBSTITUTE
IBM 146Gb SAS 3G 15K LFF HDD - P/N
IBM
41Y8452SUBSTITUTE
IBM 146Gb SAS 3G 15K LFF HDD - P/N
IBM
42D0442SUBSTITUTE
IBM 146Gb SAS 3G 15K LFF HDD - P/N
IBM
43W7524SUBSTITUTE
IBM 146Gb SAS 3G 15K LFF HDD - P/N
IBM
43W7526SUBSTITUTE
IBM 146Gb SAS 3G 15K LFF HDD - P/N
IBM
43W7528SUBSTITUTE
IBM 146Gb SAS 3G 15K LFF HDD - P/N
IBM
43W7532SUBSTITUTE
IBM 146Gb SAS 3G 15K LFF HDD - P/N
IBM
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FREQUENTLY ASKED QUESTIONS
What is 41Y8421?
41Y8421 is a IBM 139GB 15K SAS Disk Drive manufactured by IBM. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 41Y8421?
There are 11 known substitutes for 41Y8421: 42R4234, 0B22155, 10N7232 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 41Y8421?
41Y8421 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-587-8344. 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