WD400IB — DISK DRIVE UNIT

✓ Government record, cited

— · STORAGE_HDD · 3.5_SATA_HDD

PRODUCT OVERVIEW

WD400IB: DISK DRIVE UNIT.

The DISK DRIVE UNIT is a the manufacturer hard disk drive designed for enterprise environments demanding consistent performance and data integrity. Key specifications include drive_size: 3.50, design_type: HARD DISK, unit_design: INTERNAL, overall_width: 4.000 INCHES NOMINAL IN, interface_type: EIDE, overall_height: 1.028 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 7025-01-506-0771, 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→ WD400IB

NSN: 7025-01-506-0771
FSC: 7025 — Information Technology Input/output and Storage Devices
CAGE: 52840 — WESTERN DIGITAL CORP (USA)

SPECIFICATIONS

drive_size	3.50
design_type	HARD DISK
unit_design	INTERNAL
overall_width	4.000 INCHES NOMINAL IN
drive_quantity	1
interface_type	EIDE
overall_height	1.028 INCHES MAXIMUM IN
overall_length	5.787 INCHES MAXIMUM IN
data_storage_capacity	40.00 GIGABYTES
unpackaged_unit_weight	1.320 POUNDS LBS
access_time_in_milliseconds	21.0
transfer_rate_in_megabytes_per_second	16.6
NSN	7025-01-506-0771

COMPONENT DIAGRAM

KEY FEATURES

•

ACCESS TIME IN MILLISECONDS: 21.0

•

INTERFACE TYPE: EIDE

•

DESIGN TYPE: HARD DISK

•

TRANSFER RATE IN MEGABYTES PER SECOND: 16.6

•

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

ACCESS TIME IN MILLISECONDS	21.0
OVERALL HEIGHT	1.028 INCHES MAXIMUM IN
INTERFACE TYPE	EIDE
DESIGN TYPE	HARD DISK
TRANSFER RATE IN MEGABYTES PER SECOND	16.6
DRIVE QUANTITY	1
OVERALL LENGTH	5.787 INCHES MAXIMUM IN
DRIVE SIZE	3.50
OVERALL WIDTH	4.000 INCHES NOMINAL IN
UNPACKAGED UNIT WEIGHT	1.320 POUNDS LBS

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

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is WD400IB?

WD400IB is a DISK DRIVE UNIT. It is classified as a STORAGE_HDD (3.5_SATA_HDD).

What is the NSN for WD400IB?

WD400IB is cataloged in the U.S. Government catalog under NSN 7025-01-506-0771. This indicates validated use in U.S. government and defense supply chains.

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WD400IB — DISK DRIVE UNIT

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