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26K5841 ✓ Verified by PartsTable
IBM · STORAGE_HDD · 3.5_SAS_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
IBM 73GB 15K 3.5" HS SAS HDD

The IBM 73GB 15k 3.5" HS SAS HDD is a IBM hard disk drive designed for enterprise environments demanding consistent performance and data integrity. The unit ships in a LFF form factor suitable for standard rack-mount installations. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-583-6331, 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_SAS_HDD→ LFF BAY→ 26K5841
NSN: 7025-01-583-6331
FSC: 7025
CAGE: 64354 — IBM INSTRUMENT INC SUB OF INTERNATIONAL BUSINESS MACHINE CORP (USA)
SPECIFICATIONS
Part Number26K5841
ManufacturerIBM
Form FactorLFF
Capacity73GB
Speed15K RPM
NSN7025-01-583-6331
COMPONENT DIAGRAM
RELEASE LATCH 73GB NL-SAS 15K RPM 26K5841 IBM NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 73GB | 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 26K5841 MFR IBM
KEY FEATURES
•
LFF Form Factor
•
73GB Capacity
•
15K RPM Speed
•
POWER SOURCE: EXTERNAL
•
DRIVE QUANTITY: 1
•
UNIT DESIGN: INTERNAL
•
DESIGN TYPE: HARD DISK
•
ACCESS TIME IN MILLISECONDS: 2.0
•
DRIVE SIZE: 3.50
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)
END ITEM IDENTIFICATIONLAP TOP PC
POWER SOURCEEXTERNAL
DRIVE QUANTITY1
UNIT DESIGNINTERNAL
PART NAME ASSIGNED BY CONTROLLING AGENCYSAS HARD DRIVE WITH TRAY
DESIGN TYPEHARD DISK
ACCESS TIME IN MILLISECONDS2.0
DRIVE SIZE3.50
DATA STORAGE CAPACITY73.40 GIGABYTES
END ITEM IDENTIFICATIONLAP TOP PC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
40K1043Compatible
IBM 72Gb SAS 3G 15K LFF HDD - Option
compatible
26K5264Compatible
IBM 72GB SAS 3G 15k LFF HDD - P/n
compatible
26K5698Compatible
IBM 72Gb SAS 3G 15K LFF HDD - Option
compatible
26K5701Compatible
IBM 72GB SAS 3G 15k LFF HDD - Fru
compatible
39R7348Compatible
IBM 72GB SAS 3G 15k LFF HDD - Fru
compatible
40K1075Compatible
IBM 72GB SAS 3G 15k LFF HDD - Sbb
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 8
26K5264SUBSTITUTE
IBM 72Gb SAS 3G 15K LFF HDD - P/N
IBM
26K5698SUBSTITUTE
IBM 72Gb SAS 3G 15K LFF HDD - P/N
IBM
26K5701SUBSTITUTE
IBM 72Gb SAS 3G 15K LFF HDD - P/N
IBM
39R7348SUBSTITUTE
IBM 72Gb SAS 3G 15K LFF HDD - P/N
IBM
40K1043SUBSTITUTE
IBM 72Gb SAS 3G 15K LFF HDD - P/N
IBM
40K1075SUBSTITUTE
IBM 72Gb SAS 3G 15K LFF HDD - P/N
IBM
43W7487SUBSTITUTE
IBM 72Gb SAS 3G 15K LFF HDD - P/N
IBM
43W7481SUBSTITUTE
IBM 72Gb SAS 3G 15K LFF HDD - P/N
IBM
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FREQUENTLY ASKED QUESTIONS
What is 26K5841?
26K5841 is a IBM 73GB 15k 3.5" HS SAS HDD manufactured by IBM. It is classified as a STORAGE_HDD (3.5_SAS_HDD).
What parts can replace 26K5841?
There are 8 known substitutes for 26K5841: 40K1043, 26K5264, 26K5698 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 26K5841?
26K5841 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-583-6331. 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.
Last verified: July 2026