AC 21600 — DISK DRIVE UNIT

✓ Government record, cited

— · STORAGE_HDD · 3.5_SATA_HDD

PRODUCT OVERVIEW

AC 21600: 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: EIDE. This part is cataloged in the U.S.

Government catalog under NSN 7025-01-442-5694, 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→ AC 21600

NSN: 7025-01-442-5694
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
power_source	EXTERNAL
overall_width	4.000 INCHES NOMINAL IN
drive_quantity	2
interface_type	EIDE
overall_height	1.000 INCHES NOMINAL IN
overall_length	5.750 INCHES NOMINAL IN
special_features	40-PIN, 2 DISK, 4 HEADS, 512 BYTES PER SECTOR, TRACK TO TRACK 3MS, 128KB BUFFER KB
data_storage_capacity	1624.00 MEGABYTES
interleave_rate_ratio	1.0
NSN	7025-01-442-5694

COMPONENT DIAGRAM

KEY FEATURES

•

ACCESS TIME IN MILLISECONDS: 12.0

•

VOLTAGE IN VOLTS AND CURRENT TYPE: 12.0 DC

•

INTERFACE TYPE: EIDE

•

DESIGN TYPE: HARD DISK

•

TRANSFER RATE IN MEGABYTES PER SECOND: 16.6

•

POWER SOURCE: EXTERNAL

•

DRIVE QUANTITY: 2

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	12.0
OVERALL HEIGHT	1.000 INCHES NOMINAL IN
VOLTAGE IN VOLTS AND CURRENT TYPE	12.0 DC
INTERFACE TYPE	EIDE
DESIGN TYPE	HARD DISK
TRANSFER RATE IN MEGABYTES PER SECOND	16.6
POWER SOURCE	EXTERNAL
DRIVE QUANTITY	2
OVERALL LENGTH	5.750 INCHES NOMINAL IN
DRIVE SIZE	3.50

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)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is AC 21600?

AC 21600 is a DISK DRIVE UNIT. It is classified as a STORAGE_HDD (3.5_SATA_HDD).

What is the NSN for AC 21600?

AC 21600 is cataloged in the U.S. Government catalog under NSN 7025-01-442-5694. This indicates validated use in U.S. government and defense supply chains.

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AC 21600 — DISK DRIVE UNIT

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