The IBM 41Y0679 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 U.S. Government catalog under NSN 5998-01-574-3119, indicating validated use in U.S. government and defense logistics supply chains.
WHERE IT FITS
BATTERY→LITHIUM→41Y0679
NSN:5998-01-574-3119 FSC:5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware CAGE:30874 — INTERNATIONAL BUSINESS MACHINES CORPORATION DBA IBM (USA)
SPECIFICATIONS
PART NAME ASSIGNED BY CONTROLLING AGENCY
BATTERY BACKUP UNIT
NSN
5998-01-574-3119
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
RAID cache protection during power loss events
Write-back cache enablement for storage controllers
Enterprise server data integrity assurance
Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCY
BATTERY BACKUP UNIT
END ITEM IDENTIFICATION
ERAM
OTHER ITEMS IN FSC 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 41Y0679?
41Y0679 is a IBM DS4700 Battery Backup Unit manufactured by IBM. It is classified as a BATTERY (LITHIUM).
What parts can replace 41Y0679?
There are 2 known substitutes for 41Y0679: 1369507, 1369506. Substitute compatibility should be verified for your specific system.
What is the NSN for 41Y0679?
41Y0679 is cataloged in the U.S. Government catalog under NSN 5998-01-574-3119. This indicates validated use in U.S. government and defense supply chains.
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