HP 409248-001 128MB Battery Backed Write Cache (BBWC) module for Smart Array Ultra-320 RAID controllers (641, 642, 6i models). This cache memory upgrade improves write performance and data protection on enterprise storage subsystems by enabling safe asynchronous writes during power events. Form factor and connector type are compatible with specified HP/Compaq controller generations. Supports standard DDR memory speeds and integrates with existing Smart Array firmware. Typical applications include medium-to-large SAN environments, database servers, and virtualization hosts requiring enhanced RAID write throughput. Module ships without battery; compatible battery pack sold separately. Includes mounting bracket and installation hardware.
Tested and guaranteed. Available via quote from G5 Network Group.