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Technical Data Sheet
PartsTable / STORAGE_HDD / 188-8
188-8 ✓ 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 139GB 15K RPM SAS SFF-1 HDD

IBM 139GB 15K RPM SAS SFF-1 HDD. Key specifications include base_style: MINIATURE BAYONET, bulb_style: T (TUBULAR), overall_length: 1.190 INCHES MAXIMUM IN, voltage_rating: 7.000 VOLTS NOMINAL, wattage_rating: 3.500 WATTS, bulb_designator: T-3 1/4. 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 5305-00-004-2194, 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→ 188-8
NSN: 5305-00-004-2194
FSC: 5305
CAGE: 82340 — L3HARRIS TECHNOLOGIES, INC. DIV SPACE AND AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
base_styleMINIATURE BAYONET
bulb_styleT (TUBULAR)
overall_length1.190 INCHES MAXIMUM IN
voltage_rating7.000 VOLTS NOMINAL
wattage_rating3.500 WATTS
bulb_designatorT-3 1/4
rated_average_lifeHOURS
light_center_length0.562 INCHES NOMINAL IN
light_output_rating2.000 SPHERICAL CANDLEPOWER NOMINAL SINGLE RATING
filament_designationC-2R
specification/standard_data08108-1888 MANUFACTURERS STANDARD
average_life_rating_in_hours1500.0
NSN5305-00-004-2194
COMPONENT DIAGRAM
LABEL 139GB HDD SAS 12Gb/s 69.85 mm (2.75") 100.0 mm SFF HDD — MECHANICAL Spinning disk, hot-swap SAS 12Gb/s — Dual-port 139GB | 7200 / 10K / 15K RPM FORM FACTOR — SFF Hot-swap, carrier-specific MOUNTING — 4x M3 bottom Standard SFF screw pattern TITLE HDD DRIVE PN 188-8 MFR IBM IBM 139GB 15k RPM SAS SFF-1 HDD
KEY FEATURES
•
SFF Form Factor
•
139GB 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 12
11242Interchangeable
interchangeable cross-reference
interchangeable
188-8Interchangeable
IBM 139GB 15k RPM SAS SFF-1 HDD
interchangeable
148099Interchangeable
interchangeable cross-reference
interchangeable
12844Interchangeable
interchangeable cross-reference
interchangeable
SDJ32Interchangeable
interchangeable cross-reference
interchangeable
1299Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 188-8?
188-8 is a IBM 139GB 15k RPM SAS SFF-1 HDD manufactured by IBM. It is classified as a STORAGE_HDD (2.5_SAS_HDD).
What parts can replace 188-8?
There are 12 known substitutes for 188-8: 11242, 188-8, 148099 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 188-8?
188-8 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-004-2194. 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.
PartsTable Design LLC · partstable.com
Last verified: July 2026