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Technical Data Sheet
131B526-4 ✓ Verified by PartsTable
· CONTROLLER · RAID_CACHE
WHAT YOU NEED TO KNOW
RAID cache modules — check if the battery is included and verify cache size. Ship unlocked and with test reports. Firmware must match the server. Key checks: Ship with test reports. Ship UNLOCKED.
Firmware must match server
PRODUCT OVERVIEW

The the manufacturer 131B526-4 is a Battery-Backed Write Cache pack, designed for enterprise RAID controllers in enterprise servers. It provides backup power to the BBWC module during unexpected power loss, ensuring cached write data is safely committed to flash memory. This is a high-volume replacement part in TPM market as enterprise servers remain widely deployed.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6150-00-500-7286, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
CONTROLLER RAID_CACHE 131B526-4
NSN: 6150-00-500-7286
FSC: 6150
CAGE: 24446 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING CORE CONDUCTOR SINGLE CONDUCTOR
conductor_formSTRANDED LOCATION NOT OTHERWISE SPECIFIED
special_featuresG1 CONDUIT
lead_overall_length45.000 INCHES NOMINAL IN
round_conductor_size19 AWG SINGLE CONDUCTOR
NSN6150-00-500-7286
COMPONENT DIAGRAM
CAP 72V + - CAP 72V BRACKET TO CTRL CABLE: — ~76 mm CACHE BACKUP | Supercapacitor | Cable: — Connects to RAID controller | | Controller: See controller spec SCHEMATIC: + - 2S2P SUPERCAP PACK TITLE CACHE BATT PN 131B526-4 MFR OEM IBM SAS 6Gb 3-Port PCIe2 x8 1.5GB Cache
KEY FEATURES
Battery-Backed Write Cache Module
Rechargeable Battery Technology
Provides cache backup power for 48+ hours after power loss
Hot-Plug Capable
TYPICAL APPLICATIONS
  • Hardware RAID acceleration for enterprise storage
  • Data protection and parity management
  • Cache-backed write acceleration
  • Storage tiering and SSD caching
TECHNICAL CHARACTERISTICS (FLIS)
CONDUCTOR FORMSTRANDED LOCATION NOT OTHERWISE SPECIFIED
ROUND CONDUCTOR SIZE19 AWG SINGLE CONDUCTOR
MATERIALSTEEL CORROSION RESISTING CORE CONDUCTOR SINGLE CONDUCTOR
SPECIAL FEATURESG1 CONDUIT
LEAD OVERALL LENGTH45.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
6544Interchangeable
interchangeable cross-reference
interchangeable
MILE1-1326Interchangeable
interchangeable cross-reference
interchangeable
13411Interchangeable
interchangeable cross-reference
interchangeable
109Interchangeable
interchangeable cross-reference
interchangeable
2065-16Interchangeable
interchangeable cross-reference
interchangeable
CT1087Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 131B526-4?
131B526-4 is a IBM SAS 6Gb 3-Port PCIe2 x8 1.5GB Cache RAID Adapter. It is classified as a CONTROLLER (RAID_CACHE).
What parts can replace 131B526-4?
There are 16 known substitutes for 131B526-4: 6544, MILE1-1326, 13411 and 13 more. Substitute compatibility should be verified for your specific system.
Is 131B526-4 still available?
131B526-4 is currently cancelled.
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