PartsTable
Technical Data Sheet
834031-K21 ✓ Verified by PartsTable
HP · STORAGE_HDD · 3.5_SATA_HDD
WHAT YOU NEED TO KNOW
SAS backplane supports SATA, not vice versa NL-SAS = SAS protocol at nearline (7.2K) speed — NOT SATA
Gen8 LFF tray ≠ Gen10 tray — different screw holes
PRODUCT OVERVIEW

The DISK DRIVE UNIT is a HP hard disk drive designed for enterprise environments demanding consistent performance and data integrity. Key specifications include drive_size: 3.50, design_type: HARD DISK, unit_design: INTERNAL, overall_width: 105.5 MILLIMETERS NOMINAL MM, interface_type: SCSI, overall_height: 26.1 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-731-1488, 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 3.5_SATA_HDD 834031-K21
NSN: 7025-01-731-1488
FSC: 7025
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
drive_size3.50
design_typeHARD DISK
unit_designINTERNAL
overall_width105.5 MILLIMETERS NOMINAL MM
drive_quantity1
interface_typeSCSI
overall_height26.1 MILLIMETERS NOMINAL MM
overall_length156.6 MILLIMETERS NOMINAL MM
data_storage_capacity8.0 TERABYTES
unpackaged_unit_weight1.36 KILOGRAMS KG
part_name_assigned_by_controlling_agencyHARD DRIVE
NSN7025-01-731-1488
COMPONENT DIAGRAM
RELEASE LATCH NL-SAS 7.2K 834031-K21 HP NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | — | NL-SAS 7.2K NL-SAS uses SAS protocol at 7.2K RPM | SAS backplane supports SATA, not reverse Tray generation matters | Gen8 LFF tray differs from Gen10 TITLE LFF 3.5" DRIVE PN 834031-K21 MFR HP
KEY FEATURES
INTERFACE TYPE: SCSI
DRIVE QUANTITY: 1
DATA STORAGE CAPACITY: 8.0 TERABYTES
UNIT DESIGN: INTERNAL
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)
INTERFACE TYPESCSI
DRIVE QUANTITY1
OVERALL WIDTH105.5 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYHARD DRIVE
DATA STORAGE CAPACITY8.0 TERABYTES
UNIT DESIGNINTERNAL
OVERALL HEIGHT26.1 MILLIMETERS NOMINAL MM
OVERALL LENGTH156.6 MILLIMETERS NOMINAL MM
DESIGN TYPEHARD DISK
DRIVE SIZE3.50
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
834132-001Compatible
HP 8Tb SAS 12G 7.2K 512e Digitally Signed MDL LFF LP HDD
compatible
834031-H21Compatible
HP 8Tb SAS 12G 7.2K 512e Digitally Signed MDL LFF LP HDD
compatible
834031-X21Compatible
HP 8Tb SAS 12G 7.2K 512e Digitally Signed MDL LFF LP HDD
compatible
867263-B21Compatible
HP 8Tb SAS 12G 7.2K 512e Digitally Signed MDL LFF LP HDD
compatible
P17965-B21Compatible
HP 8Tb SAS 12G 7.2K 512e Digitally Signed MDL LFF LP HDD for DX Servers
compatible
P28362-B21Compatible
HP 8Tb SAS 12G 7.2K 512e Digitally Signed MDL LFF LP HDD
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 11
P17965-B21SUBSTITUTE
HP 8Tb SAS 12G 7.2K 512e Digitally Signed MDL LFF LP HDD
HPE
P28362-B21SUBSTITUTE
HP 8Tb SAS 12G 7.2K 512e Digitally Signed MDL LFF LP HDD
HPE
P28362-H21SUBSTITUTE
HP 8Tb SAS 12G 7.2K 512e Digitally Signed MDL LFF LP HDD
HPE
P28362-K21SUBSTITUTE
HP 8Tb SAS 12G 7.2K 512e Digitally Signed MDL LFF LP HDD
HPE
P28362-X21SUBSTITUTE
HP 8Tb SAS 12G 7.2K 512e Digitally Signed MDL LFF LP HDD
HPE
P30569-001SUBSTITUTE
HP 8Tb SAS 12G 7.2K 512e Digitally Signed MDL LFF LP HDD
HPE
834031-B21SUBSTITUTE
HP 8Tb SAS 12G 7.2K 512e Digitally Signed MDL LFF LP HDD
HPE
834031-H21SUBSTITUTE
HP 8Tb SAS 12G 7.2K 512e Digitally Signed MDL LFF LP HDD
HPE
834031-X21SUBSTITUTE
HP 8Tb SAS 12G 7.2K 512e Digitally Signed MDL LFF LP HDD
HPE
834132-001SUBSTITUTE
HP 8Tb SAS 12G 7.2K 512e Digitally Signed MDL LFF LP HDD
HPE
867263-B21SUBSTITUTE
HP 8Tb SAS 12G 7.2K 512e Digitally Signed MDL LFF LP HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is 834031-K21?
834031-K21 is a DISK DRIVE UNIT manufactured by HP. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace 834031-K21?
There are 12 known substitutes for 834031-K21: 834132-001, 834031-H21, 834031-X21 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 834031-K21?
834031-K21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-731-1488. This indicates validated use in U.S. government and defense supply chains.
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