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81Y9727 — Lenovo 500GB 7.2K 2.5 SATA 6Gbps SFF HS HDD

✓ Government record, cited
LENOVO · STORAGE_HDD · 3.5_SATA_HDD
PRODUCT OVERVIEW
IBM 500GB 7.2K 6Gbps NL SATA 2.5 SFF HS HDD

81Y9727 is Lenovo 500GB 7.2K 2.5 SATA 6Gbps SFF HS HDD. 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 14 more listed machines.

- High quality - Long life - Easy installation. Key specifications include Type: HDD, HDD size: 2.5", HDD speed: 7200 RPM, Interface: Serial ATA III, HDD capacity: 500 GB, Operating voltage: 5 V. The unit ships in a SFF form factor suitable for standard rack-mount installations.

This part is cataloged in the U.S. Government catalog under NSN 7025-01-690-3558, 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
STORAGE_HDD→ 3.5_SATA_HDD→ SFF BAY→ 81Y9727
NSN: 7025-01-690-3558
FSC: 7025 — Information Technology Input/output and Storage Devices
CAGE: 44QH7 — IBM PRODUCTS UNITED STATES DBA LENOVO (UNITED STATES) INC. (USA)
SPECIFICATIONS
TypeHDD
HDD size2.5"
HDD speed7200 RPM
InterfaceSerial ATA III
HDD capacity500 GB
Operating voltage5 V
Quantity per pack1 pc(s)
NSN7025-01-690-3558
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 x3750 M4
Lenovo System x3850 X5
COMPONENT DIAGRAM
RELEASE LATCH 500GB SATA 6Gb/s 7.2K RPM 81Y9727 LENOVO SATA 6Gb/s INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 500GB | SATA 6Gb/s 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 81Y9727 MFR LENOVO
KEY FEATURES
•
SFF Form Factor
•
SATA 6Gb/s Interface
•
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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCY7200 RPM SATA 2.5 INCH SFF HOT-SWAP HARD DRIVE IN
OTHER ITEMS IN FSC 7025 — Information Technology Input/output and Storage Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
7025-00-001-2681 7025-00-001-5588 7025-00-001-6998 7025-00-001-6999 7025-00-001-7000 7025-00-001-7025 7025-00-001-7026 7025-00-001-7027
SUBSTITUTES & CROSS-REFERENCES 6
68Y7711SubstituteBROKER-VERIFIED
IBM 500GB 7.2k 2.5 SATA 6gbps SFF HS HDD
substitute
81Y9726SubstituteBROKER-VERIFIED
Lenovo 500GB 7.2K 2.5 SATA 6Gbps SFF HS HDD
substitute
81Y3857SubstituteBROKER-VERIFIED
Lenovo 500GB 7.2K 2.5 SATA 6Gbps SFF HS HDD
substitute
81Y9728CompatiblePARTNER
IBM 500GB SATA 6G 7.2k SFF Slim-HS HDD - Sbb
compatible
81Y9844CompatiblePARTNER
IBM 500Gb SATA 6G 7.2K SFF Slim-HS HDD - Option
compatible
42D0753PrimaryBROKER-VERIFIED
IBM 500GB 7.2k 6gbps NL SATA 2.5 SFF HS HDD
primary
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
THIS PART SUBSTITUTES FOR 4
81Y3857SUBSTITUTE
IBM 500Gb SATA 6G 7.2K SFF Slim-HS HDD - FRU
IBM
81Y9726SUBSTITUTE
IBM 500Gb SATA 6G 7.2K SFF Slim-HS HDD - FRU
IBM
81Y9728SUBSTITUTE
IBM 500Gb SATA 6G 7.2K SFF Slim-HS HDD - FRU
IBM
81Y9844SUBSTITUTE
IBM 500Gb SATA 6G 7.2K SFF Slim-HS HDD - FRU
IBM
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FREQUENTLY ASKED QUESTIONS
What is 81Y9727?
81Y9727 is a Lenovo 500GB 7.2K 2.5 SATA 6Gbps SFF HS HDD manufactured by LENOVO. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace 81Y9727?
There are 6 known substitutes for 81Y9727: 68Y7711, 81Y9726, 81Y3857 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81Y9727?
81Y9727 is cataloged in the U.S. Government catalog under NSN 7025-01-690-3558. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.