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PartsTable / STORAGE_HDD / 454146-B21
454146-B21 ✓ 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

Hypertec equivalent HP 1TB 3G 7200 RPM Hot-swap Midline (MDL) Serial ATA (SATA) 3.5-inch Hard Disk Drive. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-615-7642, 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→ 454146-B21
NSN: 7025-01-615-7642
FSC: 7025
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
Part Number454146-B21
ManufacturerHP
Capacity1TB
Speed7.2K RPM
NSN7025-01-615-7642
COMPONENT DIAGRAM
RELEASE LATCH 1TB NL-SAS 7.2K RPM 454146-B21 HP NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 1TB | NL-SAS 7.2K RPM 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 454146-B21 MFR HP
KEY FEATURES
•
1TB Capacity
•
7.2K RPM Speed
•
DATA STORAGE CAPACITY: 1024.0 GIGABYTES
•
DESIGN TYPE: HARD DISK
•
UNIT DESIGN: INTERNAL
•
UNPACKAGED UNIT WEIGHT: 3.000 POUNDS LBS
•
DRIVE SIZE: 3.50
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)
DATA STORAGE CAPACITY1024.0 GIGABYTES
OVERALL LENGTH7.250 INCHES NOMINAL IN
DESIGN TYPEHARD DISK
UNIT DESIGNINTERNAL
UNPACKAGED UNIT WEIGHT3.000 POUNDS LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYMIDLINE HARD DRIVE
DRIVE SIZE3.50
OVERALL WIDTH4.360 INCHES NOMINAL IN
OVERALL HEIGHT1.040 INCHES NOMINAL IN
POWER SOURCEEXTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
397377-010Compatible
HP 1Tb SATA 3G 7.2K MDL LFF HDD - Bare Drive
compatible
397377-024Compatible
HP 1Tb SATA 3G 7.2K MDL LFF HDD - Bare Drive
compatible
454147-B21Compatible
HP 1TB SATA 3G 7.2k Mdl LFF St HDD
compatible
482483-004Compatible
HP 1Tb SATA 3G 7.2K MDL LFF HDD - Bare Drive
compatible
507515-002Compatible
HP 1Tb SATA 3G 7.2K MDL LFF HDD - Bare Drive
compatible
507515-003Compatible
HP 1Tb SATA 3G 7.2K MDL LFF HDD - Bare Drive
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 20
GB1000EAFJLSUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
GB1000EAMYCSUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
MB1000EAMZESUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
MB1000EBNCFSUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
MB1000EBZQBSUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
MB1000ECWCQSUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
MB1000HBLMBSUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
397377-010SUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
397377-024SUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
454147-B21SUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
454273-001SUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
482483-004SUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
507515-002SUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
507515-003SUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
507631-002SUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
536611-B21SUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
536648-001SUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
536831-001SUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
545273-001SUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
582133-B21SUBSTITUTE
HP 1Tb SATA 3G 7.2K MDL LFF ST HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is 454146-B21?
454146-B21 is a HP 1TB 7.2K rpm Hot Plug SATA Midline Hard Drive Disk manufactured by HP. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace 454146-B21?
There are 12 known substitutes for 454146-B21: 397377-010, 397377-024, 454147-B21 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 454146-B21?
454146-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-615-7642. This indicates validated use in U.S. government and defense supply chains.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026