PartsTable
Technical Data Sheet
431958R-B21 ✓ Verified by PartsTable
· STORAGE_HDD · 2.5_SAS_HDD
WHAT YOU NEED TO KNOW
SAS HDD backplane accepts SATA drives, SATA backplane does NOT accept SAS 2.5" SAS HDDs come with or without carrier/tray — ALWAYS ASK
ALWAYS confirm carrier/tray PN — server-specific trays vary by generation
PRODUCT OVERVIEW

HP 146GB 10K 2.5 SP 3G SAS HOTSWAP HDD. Key specifications include drive_size: 2.50, design_type: HARD DISK, unit_design: INTERNAL, interface_type: RS 422, special_features: HARD DRIVE,HOT-SWAP,SAS,10000 RPM RPM, operating_temp_range: +10.0 TO 35.0 CELSIUS DEGC. The unit ships in a SFF form factor suitable for standard rack-mount installations.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-548-5868, 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 2.5_SAS_HDD SFF BAY 431958R-B21
NSN: 7025-01-548-5868
FSC: 7025
CAGE: A4944 — HEWLETT PACKARD ITALIANA SRL (ITA)
SPECIFICATIONS
drive_size2.50
design_typeHARD DISK
unit_designINTERNAL
drive_quantity1
interface_typeRS 422
special_featuresHARD DRIVE,HOT-SWAP,SAS,10000 RPM RPM
operating_temp_range+10.0 TO 35.0 CELSIUS DEGC
data_storage_capacity146.00 GIGABYTES
NSN7025-01-548-5868
COMPONENT DIAGRAM
LABEL 146GB HDD SAS 12Gb/s 69.85 mm (2.75") 100.0 mm SFF HDD — MECHANICAL Spinning disk, hot-swap SAS 12Gb/s — Dual-port 146GB | 7200 / 10K / 15K RPM FORM FACTOR — SFF Hot-swap, carrier-specific MOUNTING — 4x M3 bottom Standard SFF screw pattern TITLE HDD DRIVE PN 431958R-B21 MFR HP 146GB 10K 2.5 SP 3G SAS HOTSWAP HDD
KEY FEATURES
SFF Form Factor
146GB Capacity
10K RPM Speed
UNIT DESIGN: INTERNAL
DATA STORAGE CAPACITY: 146.00 GIGABYTES
DRIVE SIZE: 2.50
INTERFACE TYPE: RS 422
OPERATING TEMP RANGE: +10.0 TO 35.0 CELSIUS DEGC
DESIGN TYPE: HARD DISK
DRIVE QUANTITY: 1
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 (FLIS)
UNIT DESIGNINTERNAL
DATA STORAGE CAPACITY146.00 GIGABYTES
SPECIAL FEATURESHARD DRIVE,HOT-SWAP,SAS,10000 RPM RPM
DRIVE SIZE2.50
INTERFACE TYPERS 422
OPERATING TEMP RANGE+10.0 TO 35.0 CELSIUS DEGC
DESIGN TYPEHARD DISK
DRIVE QUANTITY1
UNIT DESIGNINTERNAL
DATA STORAGE CAPACITY146.00 GIGABYTES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
431958-B21Upgraded Successor
HP 146GB 10k 2.5 Sp 3G SAS Hotswap HDD
successor
C99A9424-5Upgraded Successor
successor cross-reference
successor
431954-003Interchangeable
Same NIIN cross-reference
interchangeable
FXDSK0335Interchangeable
Same NIIN cross-reference
interchangeable
L-3 010Interchangeable
Same NIIN cross-reference
interchangeable
VCH115692P01Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
Ready to buy 431958R-B21?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 431958R-B21?
431958R-B21 is a HP 146GB 10K 2.5 SP 3G SAS HOTSWAP HDD. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 431958R-B21?
There are 7 known substitutes for 431958R-B21: 431958-B21, C99A9424-5, 431954-003 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 431958R-B21?
431958R-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 7025-01-548-5868. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
Loading comments...
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 431958R-B21