ST318405LW — DISK DRIVE UNIT

✓ Government record, cited

— · STORAGE_HDD · 3.5_SATA_HDD

PRODUCT OVERVIEW

ST318405LW: 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, power_source: EXTERNAL, overall_width: 4.000 INCHES NOMINAL IN, interface_type: SCSI. This part is cataloged in the U.S.

Government catalog under NSN 7025-01-522-4875, 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→ ST318405LW

NSN: 7025-01-522-4875
FSC: 7025 — Information Technology Input/output and Storage Devices
CAGE: 65867 — SEAGATE TECHNOLOGY (USA)

SPECIFICATIONS

drive_size	3.50
design_type	HARD DISK
unit_design	INTERNAL
power_source	EXTERNAL
overall_width	4.000 INCHES NOMINAL IN
drive_quantity	1
interface_type	SCSI
overall_height	1.000 INCHES NOMINAL IN
overall_length	5.750 INCHES NOMINAL IN
tracks_per_inch	24406.0
data_storage_capacity	18.35 GIGABYTES
unpackaged_unit_weight	1.500 POUNDS LBS
NSN	7025-01-522-4875

COMPONENT DIAGRAM

KEY FEATURES

•

ACCESS TIME IN MILLISECONDS: 5.4

•

TRACKS PER INCH: 24406.0

•

VOLTAGE IN VOLTS AND CURRENT TYPE: 12.0 DC

•

INTERFACE TYPE: SCSI

•

DESIGN TYPE: HARD DISK

•

TRANSFER RATE IN MEGABYTES PER SECOND: 41.0

•

POWER SOURCE: EXTERNAL

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	5.4
OVERALL HEIGHT	1.000 INCHES NOMINAL IN
TRACKS PER INCH	24406.0
VOLTAGE IN VOLTS AND CURRENT TYPE	12.0 DC
INTERFACE TYPE	SCSI
DESIGN TYPE	HARD DISK
TRANSFER RATE IN MEGABYTES PER SECOND	41.0
POWER SOURCE	EXTERNAL
DRIVE QUANTITY	1
OVERALL LENGTH	5.750 INCHES NOMINAL 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

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation

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FREQUENTLY ASKED QUESTIONS

What is ST318405LW?

ST318405LW is a DISK DRIVE UNIT. It is classified as a STORAGE_HDD (3.5_SATA_HDD).

What is the NSN for ST318405LW?

ST318405LW is cataloged in the U.S. Government catalog under NSN 7025-01-522-4875. This indicates validated use in U.S. government and defense supply chains.

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