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375861-B21 — Storage Datasheet

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HP · 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
HP 72GB 10K SP 2.5 HOTSWAP HDD

The HP 72GB 10k Sp 2.5 Hotswap HDD is a HP hard disk drive designed for enterprise environments demanding consistent performance and data integrity. Key specifications include DRIVE SIZE: 2.50, SPECIAL FEATURES: HARD DRIVE,HOT-SWAP,SAS,10000 RPM RPM, DATA STORAGE CAPACITY: 72.00 GIGABYTES. 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 7025-01-548-5867, 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→ SFF BAY→ 375861-B21
NSN: 7025-01-548-5867
FSC: 7025
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
DRIVE SIZE2.50
SPECIAL FEATURESHARD DRIVE,HOT-SWAP,SAS,10000 RPM RPM
DATA STORAGE CAPACITY72.00 GIGABYTES
NSN7025-01-548-5867
COMPONENT DIAGRAM
LABEL 72GB HDD SAS 12Gb/s 69.85 mm (2.75") 100.0 mm SFF HDD — MECHANICAL Spinning disk, hot-swap SAS 12Gb/s — Dual-port 72GB | 7200 / 10K / 15K RPM FORM FACTOR — SFF Hot-swap, carrier-specific MOUNTING — 4x M3 bottom Standard SFF screw pattern TITLE HDD DRIVE PN 375861-B21 MFR HP HP 72GB 10k Sp 2.5 Hotswap HDD
KEY FEATURES
•
SFF Form Factor
•
72GB Capacity
•
10K RPM Speed
•
DATA STORAGE CAPACITY: 72.00 GIGABYTES
•
DRIVE SIZE: 2.50
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)
SPECIAL FEATURESHARD DRIVE,HOT-SWAP,SAS,10000 RPM RPM
DATA STORAGE CAPACITY72.00 GIGABYTES
DRIVE SIZE2.50
SPECIAL FEATURESHARD DRIVE,HOT-SWAP,SAS,10000 RPM RPM
DATA STORAGE CAPACITY72.00 GIGABYTES
DRIVE SIZE2.50
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
218896Upgraded Successor
successor cross-reference
successor
375696-002Upgraded Successor
successor cross-reference
successor
DG072ABAB3Interchangeable
Same NIIN cross-reference
interchangeable
375712-002Compatible
HP 72GB SAS 3G 10k SFF Sp St HDD
compatible
375863-004Compatible
HP 72GB SAS 3G 10k SFF Sp St HDD
compatible
375863-014Compatible
HP 72GB SAS 3G 10k SFF Sp St HDD
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMATSourcing: other
THIS PART SUBSTITUTES FOR 19
DG072A3515SUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
DG072A4951SUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
DG072A8B54SUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
DG072A8B5CSUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
DG072A9BB7SUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
DG072ABAB3SUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
375696-002SUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
375712-002SUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
375863-004SUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
375863-014SUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
376597-001SUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
395924-002SUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
431954-002SUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
434916-001SUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
438628-001SUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
442820-B21SUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
443177-001SUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
447447-001SUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
482284-001SUBSTITUTE
HP 72Gb SAS 3G 10K SFF SP ST HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is 375861-B21?
375861-B21 is a HP 72GB 10k Sp 2.5 Hotswap HDD manufactured by HP. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 375861-B21?
There are 14 known substitutes for 375861-B21: 218896, 375696-002, DG072ABAB3 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 375861-B21?
375861-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-548-5867. 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.
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Last verified: September 2026