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PartsTable / STORAGE_HDD / 12GYY
12GYY ✓ Verified by PartsTable
DELL · STORAGE_HDD · 3.5_SAS_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

Increase the storage capacity of your Dell™ System with 4 TB Hard Drive from Dell. It boasts a storage capacity of up to 4 TB, enabling users to store large amounts of data. Featuring Serial ATA interface, this hard drive delivers enhanced data transfer speed.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-652-0266, 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_SAS_HDD→ LFF BAY→ 12GYY
NSN: 7025-01-652-0266
FSC: 7025
CAGE: 3DMD3 — DELL MARKETING L.P. (USA)
SPECIFICATIONS
TypeHDD
HDD size3.5"
HDD speed7200 RPM
InterfaceSerial ATA III
HDD capacity4 TB
Component forServer/workstation
Operating voltage5 / 12 V
Quantity per pack1 pc(s)
HDD interface transfer rate6 Gbit/s
NSN7025-01-652-0266
COMPONENT DIAGRAM
RELEASE LATCH 4TB NL-SAS 7.2K RPM 12GYY DELL NL-SAS INTERFACE INTERPOSER SAS drive in SATA tray? Check board compatibility 3.5" (101.6 x 146mm) LFF 3.5" DRIVE | 4TB | 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 12GYY MFR DELL
KEY FEATURES
•
LFF Form Factor
•
4TB 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 (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYHARD DISK DRIVE
END ITEM IDENTIFICATIONAN/FPS-85
PART NAME ASSIGNED BY CONTROLLING AGENCYHARD DISK DRIVE
END ITEM IDENTIFICATIONAN/FPS-85
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
342-5570Interchangeable
Same NIIN cross-reference
interchangeable
0202V7Interchangeable
Same NIIN cross-reference
interchangeable
400-ADKICompatible
Dell 4Tb SAS 6G 7.2K LFF HDD R/T-Series Tray - SPN
compatible
400-AFNSCompatible
Dell 4Tb SAS 6G 7.2K LFF HDD R/T-Series Tray - DPN
compatible
202V7Compatible
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
compatible
342-5295Compatible
Dell 4Tb SAS 6G 7.2K LFF HDD R/T-Series Tray - DPN
compatible
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 20
DT30XSUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
DTK38SUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
TK6WVSUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
202V7SUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
342-5295SUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
342-5296SUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
342-5297SUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
342-5298SUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
342-5299SUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
400-26512SUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
400-26597SUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
400-AAEHSUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
400-ADKJSUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
400-ABJISUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
400-ACZJSUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
400-ADJUSUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
400-ADJWSUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
400-ADKISUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
400-AEGHSUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
400-AEGISUBSTITUTE
Dell 4Tb SAS 6G 7.2K LFF HDD - APN
DELL
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FREQUENTLY ASKED QUESTIONS
What is 12GYY?
12GYY is a Dell 4TB 7.2K SAS 6G 3.5" Hard Drive manufactured by DELL. It is classified as a STORAGE_HDD (3.5_SAS_HDD).
What parts can replace 12GYY?
There are 14 known substitutes for 12GYY: 342-5570, 0202V7, 400-ADKI and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12GYY?
12GYY is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-652-0266. 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.
Last verified: July 2026