PartsTable
Technical Data Sheet
PartsTable / STORAGE_HDD / 40K1043
40K1043 ✓ 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

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 7025-01-566-8530, 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→ 40K1043
NSN: 7025-01-566-8530
FSC: 7025
CAGE: 1U0E6 — IBM (USA)
SPECIFICATIONS
Part Number40K1043
ManufacturerIBM
Form FactorLFF
Capacity73GB
Speed15K RPM
NSN7025-01-566-8530
COMPONENT DIAGRAM
RELEASE LATCH 73GB NL-SAS 15K RPM 40K1043 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 40K1043 MFR IBM
KEY FEATURES
•
LFF Form Factor
•
73GB Capacity
•
15K RPM Speed
•
DATA STORAGE CAPACITY: 73.00 GIGABYTES
•
DRIVE QUANTITY: 1
•
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 IDENTIFICATIONDIGITAL COMPUTER SYSTEM
DATA STORAGE CAPACITY73.00 GIGABYTES
DRIVE QUANTITY1
DRIVE SIZE3.50
SPECIAL FEATURES15000RPM ULTRA 320 HOT-SWAP SAS HDD RPM
PART NAME ASSIGNED BY CONTROLLING AGENCYIBM 73GB 15K 3.5" SAS HOT-SWAP HDD GB
END ITEM IDENTIFICATIONDIGITAL COMPUTER SYSTEM
DATA STORAGE CAPACITY73.00 GIGABYTES
DRIVE QUANTITY1
DRIVE SIZE3.50
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
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
26K5841Compatible
IBM 72GB SAS 3G 15k LFF HDD - P/n
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 - Option
IBM
26K5698SUBSTITUTE
IBM 72Gb SAS 3G 15K LFF HDD - Option
IBM
26K5701SUBSTITUTE
IBM 72Gb SAS 3G 15K LFF HDD - Option
IBM
26K5841SUBSTITUTE
IBM 72Gb SAS 3G 15K LFF HDD - Option
IBM
39R7348SUBSTITUTE
IBM 72Gb SAS 3G 15K LFF HDD - Option
IBM
40K1075SUBSTITUTE
IBM 72Gb SAS 3G 15K LFF HDD - Option
IBM
43W7481SUBSTITUTE
IBM 72Gb SAS 3G 15K LFF HDD - Option
IBM
43W7487SUBSTITUTE
IBM 72Gb SAS 3G 15K LFF HDD - Option
IBM
Ready to buy 40K1043?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 40K1043?
40K1043 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 40K1043?
There are 8 known substitutes for 40K1043: 26K5264, 26K5698, 26K5701 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40K1043?
40K1043 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-566-8530. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 40K1043

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026