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PartsTable / STORAGE_HDD / 458945-B21
458945-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

A Hypertec equivalent 458945-B21 160GB SATA 3Gbps 7200 RPM 3.5" HDD. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-601-3698, 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→ 458945-B21
NSN: 7025-01-601-3698
FSC: 7025
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
Part Number458945-B21
ManufacturerHP
Capacity160GB
Speed7.2K RPM
NSN7025-01-601-3698
COMPONENT DIAGRAM
RELEASE LATCH 160GB NL-SAS 7.2K RPM 458945-B21 HP NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 160GB | 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 458945-B21 MFR HP
KEY FEATURES
•
160GB Capacity
•
7.2K RPM Speed
•
DATA STORAGE CAPACITY: 160.0 GIGABYTES
•
DESIGN TYPE: HARD DISK
•
POWER SOURCE: EXTERNAL
•
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)
DATA STORAGE CAPACITY160.0 GIGABYTES
OVERALL LENGTH7.300 INCHES NOMINAL IN
DESIGN TYPEHARD DISK
OVERALL HEIGHT1.000 INCHES NOMINAL IN
POWER SOURCEEXTERNAL
PART NAME ASSIGNED BY CONTROLLING AGENCYHARD DRIVE
OVERALL WIDTH4.400 INCHES NOMINAL IN
UNIT DESIGNINTERNAL
DRIVE SIZE3.50
DRIVE QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
483095-001Compatible
HP 160GB SATA 3G 7.2k Ety LFF St HDD
compatible
397377-018Compatible
HP 160Gb SATA 3G 7.2K ETY LFF HDD - Bare Drive
compatible
397377-020Compatible
HP 160Gb SATA 3G 7.2K ETY LFF HDD - Bare Drive
compatible
459314-001Compatible
HP 160Gb SATA 3G 7.2K ETY LFF NHP HDD with Rails
compatible
481177-001Compatible
HP 160Gb SATA 3G 7.2K ETY LFF HDD - Bare Drive
compatible
482481-001Compatible
HP 160Gb SATA 3G 7.2K ETY LFF HDD - Bare Drive
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 20
FB160C4081SUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
GB0160CAABVSUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
GB0160EAEZHSUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
GB0160EAFJESUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
GB0160EAPRRSUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
VB0160CBCDESUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
VB0160EAVEQSUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
334278-001SUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
349238-B21SUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
353043-001SUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
370433-001SUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
397377-003SUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
397377-018SUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
397377-019SUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
397377-020SUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
397552-001SUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
399467-001SUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
407525-002SUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
431688-002SUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
440300-002SUBSTITUTE
HP 160Gb SATA 3G 7.2K ETY LFF ST HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is 458945-B21?
458945-B21 is a HP 160GB 7.2K rpm Hot Plug SATA Entry Hard Drive manufactured by HP. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace 458945-B21?
There are 12 known substitutes for 458945-B21: 483095-001, 397377-018, 397377-020 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 458945-B21?
458945-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-601-3698. 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