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40K1044 ✓ 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 146GB 15K 3.5IN SAS HOT-SWAP HDD

High performance and reliability - these attributes define hard disk drives from IBM - a winning data storage solution. Designed specifically to meet the needs of your advanced, data-intensive applications, IBM hard disk drives provide users with a wide range of capacities and interfaces for nearly every data-intensive application. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-547-5191, 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→ 40K1044
NSN: 7025-01-547-5191
FSC: 7025
CAGE: 1U0E6 — IBM (USA)
SPECIFICATIONS
drive_size3.50
design_typeHARD DISK
unit_designINTERNAL
power_sourceEXTERNAL
drive_quantity1
interface_typeSCSI
special_featuresHOT SWAPPABLE,15000 RPM RPM
data_storage_capacity146.80 GIGABYTES
transfer_rate_in_megabytes_per_second200.0
NSN7025-01-547-5191
COMPONENT DIAGRAM
RELEASE LATCH 146GB NL-SAS 15K RPM 40K1044 IBM NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 146GB | 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 40K1044 MFR IBM
KEY FEATURES
•
146GB Capacity
•
15K RPM Speed
•
POWER SOURCE: EXTERNAL
•
INTERFACE TYPE: SCSI
•
UNIT DESIGN: INTERNAL
•
DRIVE SIZE: 3.50
•
DATA STORAGE CAPACITY: 146.80 GIGABYTES
•
DRIVE QUANTITY: 1
•
DESIGN TYPE: HARD DISK
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)
POWER SOURCEEXTERNAL
INTERFACE TYPESCSI
UNIT DESIGNINTERNAL
SPECIAL FEATURESHOT SWAPPABLE,15000 RPM RPM
DRIVE SIZE3.50
DATA STORAGE CAPACITY146.80 GIGABYTES
DRIVE QUANTITY1
DESIGN TYPEHARD DISK
TRANSFER RATE IN MEGABYTES PER SECOND200.0
POWER SOURCEEXTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
10419554Interchangeable
Same NIIN cross-reference
interchangeable
26K5265Compatible
IBM 146GB SAS 3G 15k LFF HDD - P/n
compatible
26K5517Compatible
IBM 146GB SAS 3G 15k LFF HDD - P/n
compatible
26K5699Compatible
IBM 146Gb SAS 3G 15K LFF HDD - Option
compatible
26K5702Compatible
IBM 146GB SAS 3G 15k LFF HDD - Fru
compatible
26K5842Compatible
IBM 146GB SAS 3G 15k LFF HDD - P/n
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 9
26K5265SUBSTITUTE
IBM 146Gb SAS 3G 15K LFF HDD - Option
IBM
26K5517SUBSTITUTE
IBM 146Gb SAS 3G 15K LFF HDD - Option
IBM
26K5699SUBSTITUTE
IBM 146Gb SAS 3G 15K LFF HDD - Option
IBM
26K5702SUBSTITUTE
IBM 146Gb SAS 3G 15K LFF HDD - Option
IBM
26K5842SUBSTITUTE
IBM 146Gb SAS 3G 15K LFF HDD - Option
IBM
39R7350SUBSTITUTE
IBM 146Gb SAS 3G 15K LFF HDD - Option
IBM
40K1076SUBSTITUTE
IBM 146Gb SAS 3G 15K LFF HDD - Option
IBM
43W7482SUBSTITUTE
IBM 146Gb SAS 3G 15K LFF HDD - Option
IBM
43W7488SUBSTITUTE
IBM 146Gb SAS 3G 15K LFF HDD - Option
IBM
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FREQUENTLY ASKED QUESTIONS
What is 40K1044?
40K1044 is a IBM 146GB 15k 3.5in SAS Hot-Swap HDD manufactured by IBM. It is classified as a STORAGE_HDD (3.5_SAS_HDD).
What parts can replace 40K1044?
There are 10 known substitutes for 40K1044: 10419554, 26K5265, 26K5517 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40K1044?
40K1044 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-547-5191. 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