RAID battery backup units should be purchased new only. Always ship with test reports confirming status. Key checks: Ship with test reports.
Firmware must match server
PRODUCT OVERVIEW
The HP 698546-B21 is a Flash-Backed Write Cache capacitor pack, designed for HPE Smart Array controllers in ProLiant Gen8 and Gen9 servers. It provides backup power to the FBWC 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_BBU→698546-B21
SPECIFICATIONS
RPM
10,000
Cache
128MB
Capacity
1.2TB
Interface
SAS 12Gbps
Form Factor
2.5-inch
COMPONENT DIAGRAM
KEY FEATURES
•
Flash-Backed Write Cache Capacitor
•
Rechargeable Battery Technology
Provides cache backup power for 48+ hours after power loss
Two channel SAS Host Bus Adapter (HBA) with RAID (Installs in PCI-X slot) - Has eight internal ports, two channels, 3.0Gb/sec SAS and 1.5Gb/sec SATA tranfer rate - For use with hot-plug SATA/SAS servers
256MB DDR memory with battery backed write cache (Memory module board with back mounted battery) - Supports the Smart Array 6400 series controller only