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666971-B21 — Storage Datasheet

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HPE · DRIVE LFF
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

HP 666971-B21 internal hard drive 600 GB 15000 RPM 3.5" SAS. 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→ 666971-B21
SPECIFICATIONS
Part Number666971-B21
ManufacturerHPE
Form FactorLFF
Capacity600GB
COMPONENT DIAGRAM
RELEASE LATCH 600GB NL-SAS 7.2K 666971-B21 HPE NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 600GB | 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 666971-B21 MFR HPE
KEY FEATURES
•
LFF Form Factor
•
600GB Capacity
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
516828-B21Compatible
HP 600GB SAS 6G 15k LFF St HDD
compatible
868222-001Compatible
HP 600GB SAS 6G 15k LFF St HDD
compatible
516810-003Compatible
HP 600Gb SAS 6G 15K LFF HDD - Bare Drive
compatible
516832-005Compatible
HP 600Gb SAS 6G 15K LFF HDD - Bare Drive
compatible
516832-006Compatible
HP 600Gb SAS 6G 15K LFF HDD - Bare Drive
compatible
517354-001Compatible
HP 600GB SAS 6G 15k LFF St HDD
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 14
EF0600FARNASUBSTITUTE
HP 600Gb SAS 6G 15K LFF ST HDD
HPE
EF0600FATFFSUBSTITUTE
HP 600Gb SAS 6G 15K LFF ST HDD
HPE
516810-003SUBSTITUTE
HP 600Gb SAS 6G 15K LFF ST HDD
HPE
516828-B21SUBSTITUTE
HP 600Gb SAS 6G 15K LFF ST HDD
HPE
516832-005SUBSTITUTE
HP 600Gb SAS 6G 15K LFF ST HDD
HPE
516832-006SUBSTITUTE
HP 600Gb SAS 6G 15K LFF ST HDD
HPE
517354-001SUBSTITUTE
HP 600Gb SAS 6G 15K LFF ST HDD
HPE
533871-003SUBSTITUTE
HP 600Gb SAS 6G 15K LFF ST HDD
HPE
581317-002SUBSTITUTE
HP 600Gb SAS 6G 15K LFF ST HDD
HPE
586877-001SUBSTITUTE
HP 600Gb SAS 6G 15K LFF ST HDD
HPE
652617-002SUBSTITUTE
HP 600Gb SAS 6G 15K LFF ST HDD
HPE
667118-001SUBSTITUTE
HP 600Gb SAS 6G 15K LFF ST HDD
HPE
667119-001SUBSTITUTE
HP 600Gb SAS 6G 15K LFF ST HDD
HPE
868222-001SUBSTITUTE
HP 600Gb SAS 6G 15K LFF ST HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is 666971-B21?
666971-B21 is a HP 666971-B21 internal hard drive 600 GB 15000 RPM 3.5" SAS manufactured by HPE.
What parts can replace 666971-B21?
There are 12 known substitutes for 666971-B21: 516828-B21, 868222-001, 516810-003 and 9 more. Substitute compatibility should be verified for your specific system.
Is 666971-B21 still available?
666971-B21 is currently Unknown.
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Last verified: September 2026