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PartsTable / STORAGE_HDD / 781578-001
781578-001 ✓ 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 1.2TB 10K 12G 2.5INCH SAS HDD

HP 1.2TB 10K 12G 2.5INCH SAS HDD. Key specifications include Generation: 12th Gen. 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→ 781578-001
SPECIFICATIONS
Generation12th Gen
COMPONENT DIAGRAM
LABEL 1.2TB HDD SAS 12Gb/s 69.85 mm (2.75") 100.0 mm 2.5" HDD — MECHANICAL Spinning disk, hot-swap SAS 12Gb/s — Dual-port 1.2TB | 7200 / 10K / 15K RPM FORM FACTOR — 2.5" Hot-swap, carrier-specific MOUNTING — 4x M3 bottom Standard SFF screw pattern TITLE HDD DRIVE PN 781578-001 MFR HP HP 1.2TB 10k 12G 2.5inch SAS HDD
KEY FEATURES
•
1.2TB Capacity
•
10K RPM Speed
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
768788-004Compatible
HP 1.2Tb SAS 12G 10K 512n SFF HDD - Bare Drive
compatible
781581-003Compatible
HP 1.2Tb SAS 12G 10K 512n SFF HDD - Bare Drive
compatible
781581-004Compatible
HP 1.2Tb SAS 12G 10K 512n SFF HDD - Bare Drive
compatible
796365-004Compatible
HP 1.2Tb SAS 12G 10K 512n SFF HDD - Bare Drive
compatible
846271-B21Compatible
HP 1.2TB SAS 12G 10k 512n SFF Sc HDD
compatible
846294-001Compatible
HP 1.2TB SAS 12G 10k 512n SFF Sc HDD
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 11
EG1200JEHMCSUBSTITUTE
HP 1.2Tb SAS 12G 10K 512n SFF SC HDD
HPE
EG1200JETKCSUBSTITUTE
HP 1.2Tb SAS 12G 10K 512n SFF SC HDD
HPE
768788-004SUBSTITUTE
HP 1.2Tb SAS 12G 10K 512n SFF SC HDD
HPE
781518-B21SUBSTITUTE
HP 1.2Tb SAS 12G 10K 512n SFF SC HDD
HPE
781581-003SUBSTITUTE
HP 1.2Tb SAS 12G 10K 512n SFF SC HDD
HPE
781581-004SUBSTITUTE
HP 1.2Tb SAS 12G 10K 512n SFF SC HDD
HPE
796365-004SUBSTITUTE
HP 1.2Tb SAS 12G 10K 512n SFF SC HDD
HPE
846271-B21SUBSTITUTE
HP 1.2Tb SAS 12G 10K 512n SFF SC HDD
HPE
846294-001SUBSTITUTE
HP 1.2Tb SAS 12G 10K 512n SFF SC HDD
HPE
852463-B21SUBSTITUTE
HP 1.2Tb SAS 12G 10K 512n SFF SC HDD
HPE
852606-001SUBSTITUTE
HP 1.2Tb SAS 12G 10K 512n SFF SC HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is 781578-001?
781578-001 is a HP 1.2TB 10k 12G 2.5inch SAS HDD manufactured by HP. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 781578-001?
There are 12 known substitutes for 781578-001: 768788-004, 781581-003, 781581-004 and 9 more. Substitute compatibility should be verified for your specific system.
Is 781578-001 still available?
781578-001 is currently Unknown.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026