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4327 ✓ Verified by PartsTable
IBM · 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 70.56GB 15K RPM HARD DRIVE

The IBM 70.56GB 15k RPM Hard Drive is a IBM hard disk drive designed for enterprise environments demanding consistent performance and data integrity. Key specifications include inclosure_type: ENCASED, special_features: TERM NO FOUR DUMMY, nominal_thread_size: 0.250 INCHES IN, reference_frequency_per_function: 60.0 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED, frequency_band_width_per_function: 59.50 HERTZ BLANK AND 60.50 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED, mounting_facility_type_and_quantity: 1 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-01-223-8435, 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→ 4327
NSN: 5999-01-223-8435
FSC: 5999
CAGE: 54560 — KONE CRANE DBA SHEPARD NILES (USA)
SPECIFICATIONS
inclosure_typeENCASED
special_featuresTERM NO FOUR DUMMY
nominal_thread_size0.250 INCHES IN
reference_frequency_per_function60.0 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
frequency_band_width_per_function59.50 HERTZ BLANK AND 60.50 HERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
mounting_facility_type_and_quantity1 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED
functional_terminal_type_and_quantity1 TAB, SOLDER LUG GROUND THIRD FUNCTION
mounting_facility_screw_thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5999-01-223-8435
COMPONENT DIAGRAM
LABEL 70.56GB HDD SAS 12Gb/s 69.85 mm (2.75") 100.0 mm 2.5" HDD — MECHANICAL Spinning disk, hot-swap SAS 12Gb/s — Dual-port 70.56GB | 7200 / 10K / 15K RPM FORM FACTOR — 2.5" Hot-swap, carrier-specific MOUNTING — 4x M3 bottom Standard SFF screw pattern TITLE HDD DRIVE PN 4327 MFR IBM IBM 70.56GB 15k RPM Hard Drive
KEY FEATURES
•
70.56GB Capacity
•
15K RPM Speed
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
NY460-622-4PC498Interchangeable
interchangeable cross-reference
interchangeable
4327Interchangeable
IBM 70.56GB 15k RPM Hard Drive
interchangeable
1000A50Interchangeable
interchangeable cross-reference
interchangeable
8035Interchangeable
interchangeable cross-reference
interchangeable
7036-SS-20Interchangeable
interchangeable cross-reference
interchangeable
128C946H08Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4327?
4327 is a IBM 70.56GB 15k RPM Hard Drive manufactured by IBM. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 4327?
There are 8 known substitutes for 4327: NY460-622-4PC498, 4327, 1000A50 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4327?
4327 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5999-01-223-8435. This indicates validated use in U.S. government and defense supply chains.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026