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833928-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 4TB 12G 7.2K LFF SAS MDL LP HDD

HP 4TB 12G 7.2K LFF SAS MDL LP HDD. Key specifications include Type: HDD, Depth: 105.5 mm, Width: 26.1 mm, Height: 156.6 mm, Weight: 1.36 kg, HDD size: 3.5". The unit ships in a LFF 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 7025-01-660-9875, 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 LFF BAY 833928-B21
NSN: 7025-01-660-9875
FSC: 7025
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
TypeHDD
Depth105.5 mm
Width26.1 mm
Height156.6 mm
Weight1.36 kg
HDD size3.5"
Hot-swapYes
HDD speed7200 RPM
InterfaceSAS
HDD capacity4 TB
Operating voltage5 / 12 V
Quantity per pack1 pc(s)
NSN7025-01-660-9875
COMPONENT DIAGRAM
LABEL 4TB HDD SAS 12Gb/s 69.85 mm (2.75") 100.0 mm LFF HDD — MECHANICAL Spinning disk, hot-swap SAS 12Gb/s — Dual-port 4TB | 7200 / 10K / 15K RPM FORM FACTOR — LFF Hot-swap, carrier-specific MOUNTING — 4x M3 bottom Standard SFF screw pattern TITLE HDD DRIVE PN 833928-B21 MFR HP HP 4TB 12G 7.2k LFF SAS Mdl Lp HDD
KEY FEATURES
LFF Form Factor
4TB Capacity
7.2K 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
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYHPE 4TB 12G SAS 7.2K RPM LFF (3.5-INCH) LOW PROFILE MIDLINE 1YR WARRANTY HARD DRIVE TB
PART NAME ASSIGNED BY CONTROLLING AGENCYHPE 4TB 12G SAS 7.2K RPM LFF (3.5-INCH) LOW PROFILE MIDLINE 1YR WARRANTY HARD DRIVE TB
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
833928-H21Compatible
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD
compatible
833928-K21Compatible
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD
compatible
833928-X21Compatible
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD
compatible
P17963-B21Compatible
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD for DX Servers
compatible
P28495-B21Compatible
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD
compatible
P28495-K21Compatible
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 9
P17963-B21SUBSTITUTE
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD
HPE
P28495-B21SUBSTITUTE
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD
HPE
P28495-K21SUBSTITUTE
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD
HPE
P28499-001SUBSTITUTE
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD
HPE
P30571-001SUBSTITUTE
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD
HPE
833928-H21SUBSTITUTE
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD
HPE
833928-K21SUBSTITUTE
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD
HPE
833928-X21SUBSTITUTE
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD
HPE
834134-001SUBSTITUTE
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is 833928-B21?
833928-B21 is a HP 4TB 12G 7.2k LFF SAS Mdl Lp HDD manufactured by HP. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 833928-B21?
There are 12 known substitutes for 833928-B21: 833928-H21, 833928-K21, 833928-X21 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 833928-B21?
833928-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-660-9875. This indicates validated use in U.S. government and defense supply chains.
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