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Technical Data Sheet
PartsTable / STORAGE_HDD / 81Y3866
81Y3866 ✓ Verified by PartsTable
LENOVO · 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
LENOVO HARD DRIVE 500GB 7.2K 3.5 6G SATA

LENOVO HARD DRIVE 500GB 7.2K 3.5 6G SATA. 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
STORAGE_HDD→ 3.5_SATA_HDD→ LFF BAY→ 81Y3866
SPECIFICATIONS
Part Number81Y3866
ManufacturerLENOVO
Form FactorLFF
Capacity500GB
Speed7.2K RPM
COMPONENT DIAGRAM
RELEASE LATCH 500GB NL-SAS 7.2K RPM 81Y3866 LENOVO NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 500GB | 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 81Y3866 MFR LENOVO
KEY FEATURES
•
LFF Form Factor
•
500GB 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES

No verified substitutes available.

LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81Y3866?
81Y3866 is a Lenovo Hard Drive 500GB 7.2k 3.5 6G SATA manufactured by LENOVO. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
Is 81Y3866 still available?
81Y3866 is currently Unknown.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026