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5552789-P ✓ Verified by PartsTable
HITACHI · 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

The Hitachi 1.2TB 10K 2.5" SAS HDD is a HITACHI hard disk drive designed for enterprise environments demanding consistent performance and data integrity. The unit ships in a SFF form factor suitable for standard rack-mount installations. 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→ 5552789-P
SPECIFICATIONS
Part Number5552789-P
ManufacturerHITACHI
Form FactorSFF
Capacity1.2TB
Speed10K RPM
COMPONENT DIAGRAM
LABEL 1.2TB HDD SAS 12Gb/s 69.85 mm (2.75") 100.0 mm SFF HDD — MECHANICAL Spinning disk, hot-swap SAS 12Gb/s — Dual-port 1.2TB | 7200 / 10K / 15K RPM FORM FACTOR — SFF Hot-swap, carrier-specific MOUNTING — 4x M3 bottom Standard SFF screw pattern TITLE HDD DRIVE PN 5552789-P MFR HITACHI Hitachi 1.2TB 10K 2.5" SAS HDD
KEY FEATURES
•
SFF Form Factor
•
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 4
H6G43ACompatible
HP Xp7 1TB SAS 6G 10k SFF DP HDD
compatible
HITX5552789-ACompatible
HP Xp7 1TB SAS 6G 10k SFF DP HDD
compatible
5552789-ACompatible
HP Xp7 1TB SAS 6G 10k SFF DP HDD
compatible
HITX5552789-PCompatible
HP Xp7 1TB SAS 6G 10k SFF DP HDD
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 4
H6G43ASUBSTITUTE
HP XP7 1Tb SAS 6G 10K SFF DP HDD
HPE
HITX5552789-ASUBSTITUTE
HP XP7 1Tb SAS 6G 10K SFF DP HDD
HPE
HITX5552789-PSUBSTITUTE
HP XP7 1Tb SAS 6G 10K SFF DP HDD
HPE
5552789-ASUBSTITUTE
HP XP7 1Tb SAS 6G 10K SFF DP HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is 5552789-P?
5552789-P is a Hitachi 1.2TB 10K 2.5" SAS HDD manufactured by HITACHI. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 5552789-P?
There are 4 known substitutes for 5552789-P: H6G43A, HITX5552789-A, 5552789-A and 1 more. Substitute compatibility should be verified for your specific system.
Is 5552789-P still available?
5552789-P is currently Unknown.
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Last verified: July 2026