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
material
STEEL CORROSION RESISTING CORE CONDUCTOR SINGLE CONDUCTOR
conductor_form
STRANDED LOCATION NOT OTHERWISE SPECIFIED
special_features
G1 CONDUIT
lead_overall_length
45.000 INCHES NOMINAL IN
round_conductor_size
19 AWG SINGLE CONDUCTOR
NSN
6150-00-500-7286
COMPONENT DIAGRAM
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 FORM
STRANDED LOCATION NOT OTHERWISE SPECIFIED
ROUND CONDUCTOR SIZE
19 AWG SINGLE CONDUCTOR
MATERIAL
STEEL CORROSION RESISTING CORE CONDUCTOR SINGLE CONDUCTOR
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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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