The HP 878644-001 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
TRANSCEIVER→POWER_CABLE→878644-001
SPECIFICATIONS
Part Number
878644-001
Manufacturer
HP
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
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FREQUENTLY ASKED QUESTIONS
What is 878644-001?
878644-001 is a HP 96W Smart Storage Battery with 260mm cable manufactured by HP. It is classified as a TRANSCEIVER (POWER_CABLE).
What parts can replace 878644-001?
There are 6 known substitutes for 878644-001: P01367-B21, 782958-B21, 827349-001 and 3 more. Substitute compatibility should be verified for your specific system.
Is 878644-001 still available?
878644-001 is currently Unknown.
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