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PartsTable / STORAGE_HDD / 870765-B21
870765-B21 ✓ Verified by PartsTable
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 900GB 12GB SAS 15K SFF SC 512E HDD

HP 900GB 12GB SAS 15K SFF SC 512E HDD. 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 7025-01-692-5205, 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→ 870765-B21
NSN: 7025-01-692-5205
FSC: 7025
CAGE: 0CNJ6 — HEWLETT PACKARD ENTERPRISE COMPANY (USA)
SPECIFICATIONS
Part Number870765-B21
ManufacturerHP
Form FactorSFF
Capacity900GB
Speed15K RPM
NSN7025-01-692-5205
COMPONENT DIAGRAM
LABEL 900GB HDD SAS 12Gb/s 69.85 mm (2.75") 100.0 mm SFF HDD — MECHANICAL Spinning disk, hot-swap SAS 12Gb/s — Dual-port 900GB | 7200 / 10K / 15K RPM FORM FACTOR — SFF Hot-swap, carrier-specific MOUNTING — 4x M3 bottom Standard SFF screw pattern TITLE HDD DRIVE PN 870765-B21 MFR HP HP 900GB 12GB SAS 15k SFF Sc 512e HDD
KEY FEATURES
•
SFF Form Factor
•
900GB Capacity
•
15K RPM Speed
•
DRIVE QUANTITY: 1
•
UNIT DESIGN: INTERNAL
•
DRIVE SIZE: 2.50
•
DATA STORAGE CAPACITY: 1.2 TERABYTES
•
OPERATING TEMP RANGE: +50.0 TO 95.0 FAHRENHEIT DEGF
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
OVERALL HEIGHT0.62 INCHES NOMINAL IN
UNIT DESIGNINTERNAL
OVERALL WIDTH2.98 INCHES NOMINAL IN
OVERALL LENGTH4.67 INCHES NOMINAL IN
DRIVE SIZE2.50
DATA STORAGE CAPACITY1.2 TERABYTES
OPERATING TEMP RANGE+50.0 TO 95.0 FAHRENHEIT DEGF
DESIGN TYPEHARD DISK
DRIVE QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
870798-001Compatible
HP 900Gb SAS 12G 15K 512e Digitally Signed SFF SC HDD
compatible
867253-002Compatible
HP 900Gb SAS 12G 15K 512e Digitally Signed SFF HDD - Bare Drive
compatible
875216-002Compatible
HP 900Gb SAS 12G 15K 512e Digitally Signed SFF HDD - Bare Drive
compatible
EH000900JWHPKCompatible
HP 900Gb SAS 12G 15K 512e Digitally Signed SFF HDD - Bare Drive
compatible
EH000900JWCPHCompatible
HP 900Gb SAS 12G 15K 512e Digitally Signed SFF HDD - Bare Drive
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 5
EH000900JWCPHSUBSTITUTE
HP 900Gb SAS 12G 15K 512e Digitally Signed SFF SC HDD
HPE
EH000900JWHPKSUBSTITUTE
HP 900Gb SAS 12G 15K 512e Digitally Signed SFF SC HDD
HPE
867253-002SUBSTITUTE
HP 900Gb SAS 12G 15K 512e Digitally Signed SFF SC HDD
HPE
870798-001SUBSTITUTE
HP 900Gb SAS 12G 15K 512e Digitally Signed SFF SC HDD
HPE
875216-002SUBSTITUTE
HP 900Gb SAS 12G 15K 512e Digitally Signed SFF SC HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is 870765-B21?
870765-B21 is a HP 900GB 12GB SAS 15k SFF Sc 512e HDD manufactured by HP. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 870765-B21?
There are 5 known substitutes for 870765-B21: 870798-001, 867253-002, 875216-002 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 870765-B21?
870765-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-692-5205. 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