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Technical Data Sheet
PartsTable / STORAGE_HDD / 432321-001
432321-001 ✓ Verified by PartsTable
HPE · 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

72GB hot-plug single-port SAS hard disk drive - 15,000 RPM, 3Gb/sec transfer rate, 2.5-inch small form factor (SFF). The unit ships in a SFF 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 7025-01-555-0493, 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→ SFF BAY→ 432321-001
NSN: 7025-01-555-0493
FSC: 7025
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
Part Number432321-001
ManufacturerHPE
Form FactorSFF
Capacity72GB
Speed3Gb/s
NSN7025-01-555-0493
COMPONENT DIAGRAM
RELEASE LATCH 72GB NL-SAS 3Gb/s 432321-001 HPE NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 72GB | NL-SAS 3Gb/s 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 432321-001 MFR HPE
KEY FEATURES
•
SFF Form Factor
•
72GB Capacity
•
3Gb/s Speed
•
DRIVE QUANTITY: 1
•
OPERATING TEMP RANGE: +50.0 TO 95.0 FAHRENHEIT DEGF
•
DESIGN TYPE: HARD DISK
•
ACCESS TIME IN MILLISECONDS: 3.0
•
UNIT DESIGN: INTERNAL
•
DATA STORAGE CAPACITY: 72.00 GIGABYTES
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)
DRIVE QUANTITY1
OPERATING TEMP RANGE+50.0 TO 95.0 FAHRENHEIT DEGF
DESIGN TYPEHARD DISK
OVERALL WIDTH2.750 INCHES NOMINAL IN
END ITEM IDENTIFICATION400607-B21 (28480), SERVER, ML370 PLUS 5
ACCESS TIME IN MILLISECONDS3.0
UNIT DESIGNINTERNAL
DATA STORAGE CAPACITY72.00 GIGABYTES
DRIVE SIZE2.50
OVERALL HEIGHT0.591 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
431935-B21Interchangeable
Same NIIN cross-reference
interchangeable
418398-001Interchangeable
HP 72GB 15k DP 2.5 SAS Hotswap HDD
interchangeable
418373-007Compatible
HP 72GB SAS 3G 15k SFF Sp St HDD
compatible
418373-008Compatible
HP 72GB SAS 3G 15k SFF Sp St HDD
compatible
431930-002Compatible
HP 72GB SAS 3G 15k SFF Sp St HDD
compatible
DH072ABAA6Compatible
HP 72GB SAS 3G 15k SFF Sp St HDD
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 5
DH072ABAA6SUBSTITUTE
HP 72Gb SAS 3G 15K SFF SP ST HDD
HPE
418373-007SUBSTITUTE
HP 72Gb SAS 3G 15K SFF SP ST HDD
HPE
418373-008SUBSTITUTE
HP 72Gb SAS 3G 15K SFF SP ST HDD
HPE
431930-002SUBSTITUTE
HP 72Gb SAS 3G 15K SFF SP ST HDD
HPE
431935-B21SUBSTITUTE
HP 72Gb SAS 3G 15K SFF SP ST HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is 432321-001?
432321-001 is a 72GB hot-plug single-port SAS hard disk drive - 15,000 RPM, 3Gb/sec transfer rate, 2.5-inch small form factor (SFF) manufactured by HPE. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace 432321-001?
There are 13 known substitutes for 432321-001: 431935-B21, 418398-001, 418373-007 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 432321-001?
432321-001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-555-0493. 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