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 452589 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 3020-01-382-6525, indicating validated use in U.S. government and defense logistics supply chains.
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FREQUENTLY ASKED QUESTIONS
What is 452589?
452589 is a IBM U320 SCSI RAID w/574F AUX WRITE CACHE. It is classified as a CONTROLLER (RAID_CACHE).
What parts can replace 452589?
There are 7 known substitutes for 452589: 80253R91, 80523R91, F58003 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 452589?
452589 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-01-382-6525. This indicates validated use in U.S. government and defense supply chains.
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