SAS backplane supports SATA, not vice versa NL-SAS = SAS protocol at nearline (7.2K) speed — NOT SATA
Gen8 LFF tray ≠ Gen10 tray — different screw holes
PRODUCT OVERVIEW
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: SOLID STATE AND HARD DISK, power_source: EXTERNAL, overall_width: 75.7 MILLIMETERS NOMINAL MM, interface_type: SERIAL ADVANCED TECHNOLOGY ATTACHMENT, overall_height: 15.6 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.
Government catalog under NSN 7025-01-718-4602, 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→P17958-B21
NSN:7025-01-718-4602 FSC:7025 — Information Technology Input/output and Storage Devices CAGE:1MVG3 — HPE GOVERNMENT, LLC (USA)
SPECIFICATIONS
drive_size
3.50
design_type
SOLID STATE AND HARD DISK
power_source
EXTERNAL
overall_width
75.7 MILLIMETERS NOMINAL MM
interface_type
SERIAL ADVANCED TECHNOLOGY ATTACHMENT
overall_height
15.6 MILLIMETERS NOMINAL MM
overall_length
118.7 MILLIMETERS NOMINAL MM
data_storage_capacity
4.0 TERABYTES
unpackaged_unit_weight
0.5 KILOGRAMS KG
transfer_rate_in_megabytes_per_second
600.0
part_name_assigned_by_controlling_agency
SERVER HARDDISK
NSN
7025-01-718-4602
COMPONENT DIAGRAM
KEY FEATURES
•
INTERFACE TYPE: SERIAL ADVANCED TECHNOLOGY ATTACHMENT
•
DESIGN TYPE: SOLID STATE AND HARD DISK
•
TRANSFER RATE IN MEGABYTES PER SECOND: 600.0
•
POWER SOURCE: EXTERNAL
•
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 HEIGHT
15.6 MILLIMETERS NOMINAL MM
INTERFACE TYPE
SERIAL ADVANCED TECHNOLOGY ATTACHMENT
DESIGN TYPE
SOLID STATE AND HARD DISK
TRANSFER RATE IN MEGABYTES PER SECOND
600.0
POWER SOURCE
EXTERNAL
OVERALL LENGTH
118.7 MILLIMETERS NOMINAL MM
DRIVE SIZE
3.50
OVERALL WIDTH
75.7 MILLIMETERS NOMINAL MM
UNPACKAGED UNIT WEIGHT
0.5 KILOGRAMS KG
PART NAME ASSIGNED BY CONTROLLING AGENCY
SERVER HARDDISK
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.
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FREQUENTLY ASKED QUESTIONS
What is P17958-B21?
P17958-B21 is a DISK DRIVE UNIT. It is classified as a STORAGE_HDD (3.5_SATA_HDD).
What parts can replace P17958-B21?
There are 12 known substitutes for P17958-B21: 872487-B21, 872745-001, 818369-007 and 9 more. Substitute compatibility should be verified for your specific system.
Is P17958-B21 still available?
P17958-B21 is currently Unknown.
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