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81Y9691 — IBM 1TB 7.2K 6G NL SFF SAS HARD DRIVE

IBM · STORAGE_HDD · 2.5_SAS_HDD
PRODUCT OVERVIEW

81Y9691: IBM 1TB 7.2K 6G NL SFF SAS HARD DRIVE. It is cited to fit LENOVO System x IBM System x3650 M4, LENOVO System x System x x3500 M3, LENOVO System x System x x3550 M3 and 15 more listed machines.

IBM 1TB 7.2K 6G NL SFF SAS HARD DRIVE. The unit ships in a SFF 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→ 2.5_SAS_HDD→ SFF BAY→ 81Y9691
SPECIFICATIONS
Part Number81Y9691
ManufacturerIBM
Form FactorSFF
Capacity1TB
Speed7.2K RPM
FITS THESE MACHINES
Lenovo System x IBM System x3650 M4
Lenovo System x x3500 M3
Lenovo System x x3550 M3
Lenovo System x x3650 M3
Lenovo System x x3690 X5
Lenovo System x3100 M4
Lenovo System x3100 M5
Lenovo System x3200 M3
Lenovo System x3250 M3
Lenovo System x3300 M4
Lenovo System x3400 M3
Lenovo System x3500 M4
Lenovo System x3530 M4
Lenovo System x3550 M4
Lenovo System x3630 M3
Lenovo System x3650 HD M4
Lenovo System x3750 M4
Lenovo System x3850 X5
COMPONENT DIAGRAM
LABEL 1TB HDD SAS 12Gb/s 69.85 mm (2.75") 100.0 mm SFF HDD — MECHANICAL Spinning disk, hot-swap SAS 12Gb/s — Dual-port 1TB | 7200 / 10K / 15K RPM FORM FACTOR — SFF Hot-swap, carrier-specific MOUNTING — 4x M3 bottom Standard SFF screw pattern TITLE HDD DRIVE PN 81Y9691 MFR IBM IBM 1TB 7.2K 6G NL SFF SAS HARD DRIVE
KEY FEATURES
•
SFF Form Factor
•
1TB 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 4
81Y3820SubstituteBROKER-VERIFIED
substitute
substitute
81Y9690SubstituteBROKER-VERIFIED
IBM 1TB 7.2k 2.5' 6G NL SAS HDD
substitute
81Y9692CompatiblePARTNER
IBM 1TB SAS 6G 7.2k SFF Slim-HS HDD - Sbb
compatible
81Y9836CompatiblePARTNER
IBM 1Tb SAS 6G 7.2K SFF Slim-HS HDD - Option
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 4
81Y3820SUBSTITUTE
IBM 1Tb SAS 6G 7.2K SFF Slim-HS HDD - FRU
IBM
81Y9690SUBSTITUTE
IBM 1Tb SAS 6G 7.2K SFF Slim-HS HDD - FRU
IBM
81Y9692SUBSTITUTE
IBM 1Tb SAS 6G 7.2K SFF Slim-HS HDD - FRU
IBM
81Y9836SUBSTITUTE
IBM 1Tb SAS 6G 7.2K SFF Slim-HS HDD - FRU
IBM
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FREQUENTLY ASKED QUESTIONS
What is 81Y9691?
81Y9691 is a IBM 1TB 7.2K 6G NL SFF SAS HARD DRIVE manufactured by IBM. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 81Y9691?
There are 4 known substitutes for 81Y9691: 81Y3820, 81Y9690, 81Y9692 and 1 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.