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Technical Data Sheet
PartsTable / STORAGE_HDD / A-A-59588-3B-50
A-A-59588-3B-50 ✓ 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

The IBM 300 GB 15K 6GB 2.5 SAS HDD is a the manufacturer hard disk drive designed for enterprise environments demanding consistent performance and data integrity. Key specifications include color: RED BOTH SIDES, material: RUBBER SILICONE CLASS Q, surface_condition: SMOOTH BOTH SIDES, fabrication_method: SOLID, cross-sectional_width: 0.080 INCHES NOMINAL IN, cross-sectional_height: 4.100 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 9320-01-004-3621, 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→ A-A-59588-3B-50
NSN: 9320-01-004-3621
FSC: 9320
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
colorRED BOTH SIDES
materialRUBBER SILICONE CLASS Q
surface_conditionSMOOTH BOTH SIDES
fabrication_methodSOLID
cross-sectional_width0.080 INCHES NOMINAL IN
cross-sectional_height4.100 INCHES NOMINAL IN
environmental_protectionTEAR AND FLEX RESISTANT
minimum_tensile_strengthERR-060
cross-sectional_shape_styleRECTANGULAR
nondefinitive_spec/std_data3B CLASS AND SP FORM AND 50 GRADE
nonmetallic_hardness_rating45.0 MINIMUM SHORE DUROMETER A AND 55.0 MAXIMUM SHORE DUROMETER A
departure_from_cited_designatorAS MODIFIED BY COLOR
NSN9320-01-004-3621
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 A-A-59588-3B-50 MFR IBM 300 GB 15K 6GB 2.5 SAS HDD
KEY FEATURES
•
SFF Form Factor
•
300GB Capacity
•
15K RPM Speed
•
TEMP RATING: -70.0 CELSIUS AND 204.0 CELSIUS DEGC
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY MINIMUM TENSILE STRENGTH,ENVIRONMENTAL PROTECTION AND COLOR
•
MINIMUM TENSILE STRENGTH: ERR-060
•
NONDEFINITIVE SPEC/STD DATA: 3B CLASS AND SH FORM AND 50 GRADE
•
SURFACE CONDITION: SMOOTH BOTH SIDES
•
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765, CLASS 3B, GRADE 50 FED SPEC 1ST MATERIAL RESPONSE AND ST-23-402, CLASS 2, GRADE 50, LOCKHEED-GEORGIA CO MFR REF 2ND MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
•
COLOR: GRAY/GREY BOTH SIDES
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)
TEMP RATING-70.0 CELSIUS AND 204.0 CELSIUS DEGC
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY MINIMUM TENSILE STRENGTH,ENVIRONMENTAL PROTECTION AND COLOR
MINIMUM TENSILE STRENGTHERR-060
NONDEFINITIVE SPEC/STD DATA3B CLASS AND SH FORM AND 50 GRADE
SURFACE CONDITIONSMOOTH BOTH SIDES
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765, CLASS 3B, GRADE 50 FED SPEC 1ST MATERIAL RESPONSE AND ST-23-402, CLASS 2, GRADE 50, LOCKHEED-GEORGIA CO MFR REF 2ND MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
COLORGRAY/GREY BOTH SIDES
MATERIALRUBBER SILICONE CLASS Q OR RUBBER LOCATION NOT OTHERWISE SPECIFIED
ENVIRONMENTAL PROTECTIONFLEX RESISTANT AND TEAR
WIDTH36.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
STM23-402Interchangeable
interchangeable cross-reference
interchangeable
STM23-402 CLASS 2 GRADE 50Interchangeable
interchangeable cross-reference
interchangeable
5590927Interchangeable
interchangeable cross-reference
interchangeable
1523582Interchangeable
interchangeable cross-reference
interchangeable
9B8659Interchangeable
interchangeable cross-reference
interchangeable
3569Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-A-59588-3B-50?
A-A-59588-3B-50 is a IBM 300 GB 15K 6GB 2.5 SAS HDD. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace A-A-59588-3B-50?
There are 17 known substitutes for A-A-59588-3B-50: STM23-402, STM23-402 CLASS 2 GRADE 50, 5590927 and 14 more. Substitute compatibility should be verified for your specific system.
Is A-A-59588-3B-50 still available?
A-A-59588-3B-50 is currently cancelled.
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Last verified: July 2026