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WD400BB — Network Technical Data

✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
RJ45 = copper (needs CAT6) | SFP+ = fiber (needs transceiver) FLR = FlexibleLOM (HPE integrated) — NOT standard PCIe
Bracket height MUST match chassis — Full Height (2U) vs Low Profile (1U)
PRODUCT OVERVIEW

The WD400BB is a the manufacturer industrial component. Key specifications include drive_size: 3.50, design_type: HARD DISK, unit_design: DESK TOP, data_storage_capacity: 120.00 GIGABYTES, end_item_identification: U-2. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-499-6464, 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
MRO→ MRO_GENERAL→ WD400BB
NSN: 7025-01-499-6464
FSC: 7025
CAGE: 52840 — WESTERN DIGITAL CORP (USA)
SPECIFICATIONS
drive_size3.50
design_typeHARD DISK
unit_designDESK TOP
drive_quantity1
data_storage_capacity120.00 GIGABYTES
end_item_identificationU-2
NSN7025-01-499-6464
COMPONENT DIAGRAM
NIC CTRL PHY 0 PHY 1 ROM VRM SFP+ SFP+ LINK ACT PCIe x8 ~167 mm NETWORK ADAPTER | 2-PORT 10GbE | SFP+ | Full Height PCIe x8 | Link/Activity LEDs | PXE boot ROM TITLE NIC ADAPTER PN WD400BB MFR OEM WD400BB
KEY FEATURES
•
DRIVE SIZE: 3.50
•
DESIGN TYPE: HARD DISK
•
DRIVE QUANTITY: 1
•
DATA STORAGE CAPACITY: 120.00 GIGABYTES
•
UNIT DESIGN: DESK TOP
TECHNICAL CHARACTERISTICS (FLIS)
DRIVE SIZE3.50
DESIGN TYPEHARD DISK
DRIVE QUANTITY1
DATA STORAGE CAPACITY120.00 GIGABYTES
UNIT DESIGNDESK TOP
DRIVE SIZE3.50
DESIGN TYPEHARD DISK
DRIVE QUANTITY1
DATA STORAGE CAPACITY120.00 GIGABYTES
UNIT DESIGNDESK TOP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
541200-180HPInterchangeable
interchangeable cross-reference
interchangeable
202904-001Interchangeable
interchangeable cross-reference
interchangeable
MX6L040J2Interchangeable
interchangeable cross-reference
interchangeable
246828-B21Interchangeable
interchangeable cross-reference
interchangeable
WD400BB-00JHAOInterchangeable
interchangeable cross-reference
interchangeable
WD400Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WD400BB?
WD400BB is a WD400BB. It is classified as a MRO (MRO_GENERAL).
What parts can replace WD400BB?
There are 6 known substitutes for WD400BB: 541200-180HP, 202904-001, MX6L040J2 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WD400BB?
WD400BB is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-499-6464. 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: September 2026