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Technical Data Sheet
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81Y9690 ✓ Verified by PartsTable
IBM · DRIVE SFF
WHAT YOU NEED TO KNOW
SAS backplane accepts SATA drives (not vice versa) Buy with tray when possible — saves cost vs separate tray
ALWAYS ASK: "Does it come with tray/caddy?"
PRODUCT OVERVIEW

The IBM 1TB 7.2k 2.5' 6G NL SAS HDD is a IBM hard disk drive designed for enterprise environments demanding consistent performance and data integrity. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-613-9808, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
81Y9690
NSN: 7025-01-613-9808
FSC: 7025
CAGE: Z2JD6 — IBM AUST LTD (AUS)
SPECIFICATIONS
Part Number81Y9690
ManufacturerIBM
Capacity1TB
Speed7.2K RPM
NSN7025-01-613-9808
COMPONENT DIAGRAM
LATCH 1TB SAS 7.2K RPM 81Y9690 SAS CONN WITH TRAY — HOT-PLUG READY Tray: See server gen 1TB SAS 7.2K RPM 81Y9690 BARE DRIVE — NO LATCH Needs caddy/tray to install 2.5" (70 x 100mm) SFF 2.5" DRIVE | 1TB | SAS 7.2K RPM Always ask: "Does it come with tray/caddy?" | Tray PN varies by server generation TITLE SFF 2.5" DRIVE PN 81Y9690 CAP 1TB SAS
KEY FEATURES
•
1TB Capacity
•
7.2K RPM Speed
•
UNIT DESIGN: INTERNAL
•
POWER SOURCE: EXTERNAL
•
DRIVE QUANTITY: 1
•
DRIVE SIZE: 2.50
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
TECHNICAL CHARACTERISTICS (FLIS)
UNIT DESIGNINTERNAL
POWER SOURCEEXTERNAL
DRIVE QUANTITY1
PART NAME ASSIGNED BY CONTROLLING AGENCYSFF HS HARD DISK DRIVE
OVERALL WIDTH2.800 INCHES NOMINAL IN
DRIVE SIZE2.50
OVERALL LENGTH4.100 INCHES NOMINAL IN
OVERALL HEIGHT0.600 INCHES NOMINAL IN
DESIGN TYPEHARD DISK
DATA STORAGE CAPACITY1024.0 GIGABYTES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
81Y3820Compatible
IBM 1TB SAS 6G 7.2k SFF Slim-HS HDD - P/n
compatible
81Y9691Compatible
IBM 1TB SAS 6G 7.2k SFF Slim-HS HDD - Fru
compatible
81Y9692Compatible
IBM 1TB SAS 6G 7.2k SFF Slim-HS HDD - Sbb
compatible
81Y9836Compatible
IBM 1Tb SAS 6G 7.2K SFF Slim-HS HDD - Option
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 4
81Y3820SUBSTITUTE
IBM 1Tb SAS 6G 7.2K SFF Slim-HS HDD - Option
IBM
81Y9691SUBSTITUTE
IBM 1Tb SAS 6G 7.2K SFF Slim-HS HDD - Option
IBM
81Y9692SUBSTITUTE
IBM 1Tb SAS 6G 7.2K SFF Slim-HS HDD - Option
IBM
81Y9836SUBSTITUTE
IBM 1Tb SAS 6G 7.2K SFF Slim-HS HDD - Option
IBM
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FREQUENTLY ASKED QUESTIONS
What is 81Y9690?
81Y9690 is a IBM 1TB 7.2k 2.5' 6G NL SAS HDD manufactured by IBM.
What parts can replace 81Y9690?
There are 4 known substitutes for 81Y9690: 81Y3820, 81Y9691, 81Y9692 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81Y9690?
81Y9690 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-613-9808. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026