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861681-K21 — HP 861681-K21 internal hard drive

HPE · COMPONENT
PRODUCT OVERVIEW

861681-K21: HP 861681-K21 internal hard drive.

HP 861681-K21 internal hard drive. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

SPECIFICATIONS
Part Number861681-K21
ManufacturerHPE
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COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: HPE HP 861681-K21 internal hard drive TITLE COMPONENT PN 861681-K21 MFR HPE HP 861681-K21 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
SUBSTITUTES & CROSS-REFERENCES 12
861681-B21CompatiblePARTNER
HP 2Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF LP HDD
compatible
862132-001CompatiblePARTNER
HP 2Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF LP HDD
compatible
861681-H21CompatiblePARTNER
HP 2Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF LP HDD
compatible
861681-X21CompatiblePARTNER
HP 2Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF LP HDD
compatible
878676-001CompatiblePARTNER
HP 2Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF LP HDD
compatible
866122-002CompatiblePARTNER
HP 2Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF HDD - Bare Drive
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 5
878676-001SUBSTITUTE
HP 2Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF LP HDD
HPE
861681-B21SUBSTITUTE
HP 2Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF LP HDD
HPE
861681-H21SUBSTITUTE
HP 2Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF LP HDD
HPE
861681-X21SUBSTITUTE
HP 2Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF LP HDD
HPE
862132-001SUBSTITUTE
HP 2Tb SATA 6G 7.2K 512n Digitally Signed MDL LFF LP HDD
HPE
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FREQUENTLY ASKED QUESTIONS
What is 861681-K21?
861681-K21 is a HP 861681-K21 internal hard drive manufactured by HPE.
What parts can replace 861681-K21?
There are 12 known substitutes for 861681-K21: 861681-B21, 862132-001, 861681-H21 and 9 more. 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.