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833928-B21 — Storage Datasheet

✓ Government record, cited
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 part is cataloged in the U.S. Government catalog 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 — Information Technology Input/output and Storage Devices
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
BROWSE HPE MACHINES
ProLiant DL360 Gen10 ProLiant DL380 Gen10 ProLiant BL460c Gen10 ProLiant DL380 Gen9 ProLiant DL360 Gen9 3PAR StoreServ 8450 ProLiant BL685c G7 3PAR StoreServ 8400 3PAR StoreServ 8440 3PAR StoreServ 8200 MSA 2052 SAN Storage ProLiant BL460c Gen9
All HPE machines and parts
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
PART NAME ASSIGNED BY CONTROLLING AGENCYHPE 4TB 12G SAS 7.2K RPM LFF (3.5-INCH) LOW PROFILE MIDLINE 1YR WARRANTY HARD DRIVE TB
OTHER ITEMS IN FSC 7025 — Information Technology Input/output and Storage Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
7025-00-001-2681 7025-00-001-5588 7025-00-001-6998 7025-00-001-6999 7025-00-001-7000 7025-00-001-7025 7025-00-001-7026 7025-00-001-7027
SUBSTITUTES & CROSS-REFERENCES 12
834134001SubstituteBROKER-VERIFIED
HP 4TB 12G 7.2k LFF SAS Mdl Lp HDD
substitute
833928-H21CompatiblePARTNER
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD
compatible
833928-K21CompatiblePARTNER
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD
compatible
833928-X21CompatiblePARTNER
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD
compatible
P17963-B21CompatiblePARTNER
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD for DX Servers
compatible
P28495-B21CompatiblePARTNER
HP 4Tb SAS 12G 7.2K 512n Digitally Signed MDL LFF LP HDD
compatible
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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: 834134001, 833928-H21, 833928-K21 and 9 more. Substitute compatibility should be verified for your specific system.
Is 833928-B21 still available?
833928-B21 is currently Unknown.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.