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
HP 256MB CACHE FOR HP P400
The HP 405836-001 is a Battery-Backed Write Cache pack, designed for HPE Smart Array controllers in ProLiant Gen8 and Gen9 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 ProLiant Gen8 and Gen9 servers remain widely deployed.
WHERE IT FITS
CONTROLLER→RAID_CACHE→405836-001
SPECIFICATIONS
Part Number
405836-001
Manufacturer
HP
Capacity
256MB
COMPONENT DIAGRAM
KEY FEATURES
•
Battery-Backed Write Cache Module
•
Rechargeable Battery Technology
Provides cache backup power for 48+ hours after power loss
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FREQUENTLY ASKED QUESTIONS
What is 405836-001?
405836-001 is a HP 256MB Cache for HP P400 manufactured by HP. It is classified as a CONTROLLER (RAID_CACHE).
What parts can replace 405836-001?
There are 4 known substitutes for 405836-001: 405139-B21, 012764-004, 013126-000 and 1 more. Substitute compatibility should be verified for your specific system.
Is 405836-001 still available?
405836-001 is currently Unknown.
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