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861744-B21 — HP 4Tb SATA 6G 7.2K 512e Digitally Signed MDL LFF LP HDD

HPE · DRIVE LFF
PRODUCT OVERVIEW

861744-B21: HP 4Tb SATA 6G 7.2K 512e Digitally Signed MDL LFF LP HDD.

HP 4Tb SATA 6G 7.2K 512e Digitally Signed MDL LFF LP HDD. The unit ships in a LFF form factor suitable for standard rack-mount installations. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
LFF BAY→ 861744-B21
SPECIFICATIONS
Part Number861744-B21
ManufacturerHPE
Form FactorLFF
Capacity4TB
Speed7.2K RPM
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COMPONENT DIAGRAM
RELEASE LATCH 4TB NL-SAS 7.2K RPM 861744-B21 HPE NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 4TB | 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 861744-B21 MFR HPE
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
SUBSTITUTES & CROSS-REFERENCES 1
862135-001CompatiblePARTNER
HP 4Tb SATA 6G 7.2K 512e Digitally Signed MDL LFF LP HDD
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 5
MB004000GWFVQSUBSTITUTE
HP 4Tb SATA 6G 7.2K 512e Digitally Signed MDL LFF LP HDD
HPE
MB4000GVYZASUBSTITUTE
HP 4Tb SATA 6G 7.2K 512e Digitally Signed MDL LFF LP HDD
HPE
846520-001SUBSTITUTE
HP 4Tb SATA 6G 7.2K 512e Digitally Signed MDL LFF LP HDD
HPE
862135-001SUBSTITUTE
HP 4Tb SATA 6G 7.2K 512e Digitally Signed MDL LFF LP HDD
HPE
872292-001SUBSTITUTE
HP 4Tb SATA 6G 7.2K 512e Digitally Signed MDL LFF LP HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is 861744-B21?
861744-B21 is a HP 4Tb SATA 6G 7.2K 512e Digitally Signed MDL LFF LP HDD manufactured by HPE.
What parts can replace 861744-B21?
There is 1 known substitute for 861744-B21: 862135-001. Substitute compatibility should be verified for your specific system.
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PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.