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Technical Data Sheet
PartsTable / STORAGE_HDD / 661712
661712 ✓ Verified by PartsTable
Legrand · 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

IBM 300GB 10k RPM SAS SFF-2 Disk Drive (AIX/Linux). Key specifications include body_length: 2.219 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT, nominal_thread_size: 0.138 INCHES SINGLE GROUP IN, body_outside_diameter: 1.562 INCHES NOMINAL IN. The unit ships in a SFF form factor suitable for standard rack-mount installations.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-648-3980, 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→ 661712
NSN: 5950-00-648-3980
FSC: 5950
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
body_length2.219 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size0.138 INCHES SINGLE GROUP IN
body_outside_diameter1.562 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
thread_series_designatorUNF SINGLE GROUP
winding_shielding_methodINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
winding_operating_current6.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
winding_operating_voltage15.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
mounting_facility_quantity2 SINGLE GROUP
NSN5950-00-648-3980
COMPONENT DIAGRAM
LABEL 300GB HDD SAS 12Gb/s 69.85 mm (2.75") 100.0 mm SFF HDD — MECHANICAL Spinning disk, hot-swap SAS 12Gb/s — Dual-port 300GB | 7200 / 10K / 15K RPM FORM FACTOR — SFF Hot-swap, carrier-specific MOUNTING — 4x M3 bottom Standard SFF screw pattern TITLE HDD DRIVE PN 661712 MFR Legrand IBM 300GB 10k RPM SAS SFF-2 Disk Drive (
KEY FEATURES
•
SFF Form Factor
•
300GB Capacity
•
10K RPM Speed
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
WINDING OPERATING VOLTAGE: 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
•
WINDING OPERATING CURRENT: 16.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
•
NOMINAL THREAD SIZE: 0.138 INCHES SINGLE GROUP IN
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 1.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
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)
RELIABILITY INDICATORNOT ESTABLISHED
WINDING OPERATING VOLTAGE115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
WINDING OPERATING CURRENT16.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT FIRST SECONDARY
NOMINAL THREAD SIZE0.138 INCHES SINGLE GROUP IN
WINDING OPERATING VOLTAGE15.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY
WINDING OPERATING CURRENT6.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT THIRD SECONDARY
DISTANCE BETWEEN MOUNTING FACILITY CENTERS1.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
WINDING OPERATING CURRENT6.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT SECOND SECONDARY
THREAD SERIES DESIGNATORUNF SINGLE GROUP
TERMINAL TYPE AND QUANTITY9 TAB, SOLDER LUG
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1925Interchangeable
IBM 300GB 10k RPM SAS SFF-2 Disk Drive (AIX/Linux)
interchangeable
480351-7Interchangeable
interchangeable cross-reference
interchangeable
667116Interchangeable
interchangeable cross-reference
interchangeable
183-2-18Interchangeable
interchangeable cross-reference
interchangeable
E/N33Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-3747Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 661712?
661712 is a IBM 300GB 10k RPM SAS SFF-2 Disk Drive (AIX/Linux) manufactured by Legrand. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 661712?
There are 12 known substitutes for 661712: 1925, 480351-7, 667116 and 9 more. Substitute compatibility should be verified for your specific system.
Is 661712 still available?
661712 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026