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516814-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 300GB 6G SAS 15K rpm LFF (3.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive internal hard drive 15000 RPM 3.5". 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→ 516814-B21
SPECIFICATIONS
Part Number516814-B21
ManufacturerHPE
Form FactorLFF
Capacity300GB
Speed15K RPM
COMPONENT DIAGRAM
RELEASE LATCH 300GB NL-SAS 15K RPM 516814-B21 HPE NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 300GB | NL-SAS 15K 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 516814-B21 MFR HPE
KEY FEATURES
•
LFF Form Factor
•
300GB Capacity
•
15K 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
868219-001Compatible
HP 300GB SAS 6G 15k LFF St HDD
compatible
516810-001Compatible
HP 300Gb SAS 6G 15K LFF HDD - Bare Drive
compatible
516815-B21Compatible
HP 300GB SAS 6G 15k LFF St HDD
compatible
516832-001Compatible
HP 300Gb SAS 6G 15K LFF HDD - Bare Drive
compatible
516832-002Compatible
HP 300Gb SAS 6G 15K LFF HDD - Bare Drive
compatible
517350-001Compatible
HP 300GB SAS 6G 15k LFF St HDD
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 11
EF0300FATFDSUBSTITUTE
HP 300Gb SAS 6G 15K LFF ST HDD
HPE
EF0300FARMUSUBSTITUTE
HP 300Gb SAS 6G 15K LFF ST HDD
HPE
516810-001SUBSTITUTE
HP 300Gb SAS 6G 15K LFF ST HDD
HPE
516815-B21SUBSTITUTE
HP 300Gb SAS 6G 15K LFF ST HDD
HPE
516832-001SUBSTITUTE
HP 300Gb SAS 6G 15K LFF ST HDD
HPE
516832-002SUBSTITUTE
HP 300Gb SAS 6G 15K LFF ST HDD
HPE
517350-001SUBSTITUTE
HP 300Gb SAS 6G 15K LFF ST HDD
HPE
533871-001SUBSTITUTE
HP 300Gb SAS 6G 15K LFF ST HDD
HPE
586875-001SUBSTITUTE
HP 300Gb SAS 6G 15K LFF ST HDD
HPE
652617-005SUBSTITUTE
HP 300Gb SAS 6G 15K LFF ST HDD
HPE
868219-001SUBSTITUTE
HP 300Gb SAS 6G 15K LFF ST HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is 516814-B21?
516814-B21 is a HP 300GB 6G SAS 15K rpm LFF (3.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive internal hard drive 15000 RPM 3.5" manufactured by HPE.
What parts can replace 516814-B21?
There are 12 known substitutes for 516814-B21: 868219-001, 516810-001, 516815-B21 and 9 more. Substitute compatibility should be verified for your specific system.
Is 516814-B21 still available?
516814-B21 is currently Unknown.
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Last verified: September 2026