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WD40EFRX — HDD Wd Red 4TB 3.5 Nasware 5400RPM 64MB Cache Sata3

✓ Government record, cited
— · STORAGE_HDD · 3.5_SATA_HDD
PRODUCT OVERVIEW
HDD WD RED 4TB 3.5 NASWARE 5400rpm 64MB CACHE SATA3

WD40EFRX: HDD Wd Red 4TB 3.5 Nasware 5400RPM 64MB Cache Sata3.

HDD WD RED 4TB 3.5 NASWARE 5400rpm 64MB CACHE SATA3. Key specifications include special_features: HARD DRIVE, WD , NAS -4TB. LENGTH: 1.0 INCHES.

WIDTH: 1.0 INCHES. HEIGHT: 1.0 INCHES. WEIGHT: 1.0 LBS.

TB. The unit ships in a LFF form factor suitable for standard rack-mount installations. This part is cataloged in the U.S.

Government catalog under NSN 7025-01-661-6401, 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→ LFF BAY→ WD40EFRX
NSN: 7025-01-661-6401
NIINs: 016616401, 017231411
FSC: 7025 — Information Technology Input/output and Storage Devices
CAGE: 0MZJ1 — WESTERN DIGITAL CORP (USA)
SPECIFICATIONS
special_featuresHARD DRIVE, WD , NAS -4TB. LENGTH: 1.0 INCHES. WIDTH: 1.0 INCHES. HEIGHT: 1.0 INCHES. WEIGHT: 1.0 LBS. TB
NSN7025-01-661-6401
COMPONENT DIAGRAM
RELEASE LATCH 4TB NL-SAS 7.2K WD40EFRX OEM 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 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 WD40EFRX MFR OEM
KEY FEATURES
•
LFF Form Factor
•
4TB Capacity
•
VOLTAGE IN VOLTS AND CURRENT TYPE: 12.0 DC
•
INTERFACE TYPE: SATA 3
•
DESIGN TYPE: PERSONAL COMPUTER MEMORY CARD
•
DRIVE QUANTITY: 1
•
DRIVE SIZE: 3.50
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
OVERALL HEIGHT26.1 MILLIMETERS MAXIMUM MM
VOLTAGE IN VOLTS AND CURRENT TYPE12.0 DC
INTERFACE TYPESATA 3
DESIGN TYPEPERSONAL COMPUTER MEMORY CARD
DRIVE QUANTITY1
OVERALL LENGTH147.0 MILLIMETERS MAXIMUM MM
DRIVE SIZE3.50
OVERALL WIDTH101.6 MILLIMETERS NOMINAL MM
UNPACKAGED UNIT WEIGHT0.68 KILOGRAMS KG
OPERATING TEMP RANGE+5.0 TO 60.0 CELSIUS DEGC
SUBSTITUTES & CROSS-REFERENCES 1
T003063Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is WD40EFRX?
WD40EFRX is a HDD Wd Red 4TB 3.5 Nasware 5400RPM 64MB Cache Sata3. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace WD40EFRX?
There is 1 known substitute for WD40EFRX: T003063. Substitute compatibility should be verified for your specific system.
What is the NSN for WD40EFRX?
WD40EFRX is cataloged in the U.S. Government catalog under NSN 7025-01-661-6401. 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.