HP 452266-B21 Smart Array E200 128MB Battery-Backed Write Cache module provides persistent cache protection for HP ProLiant Gen5/Gen6/Gen7 servers equipped with Smart Array E200/E208i-p SR controllers. The 128MB BBWC (battery-backed write cache) capacity accelerates I/O performance by enabling write caching on RAID operations, reducing latency during heavy transactional workloads. This module integrates directly onto supported Smart Array controllers via standard connector and maintains cache data during power loss via onboard battery, critical for database, virtualization, and enterprise storage applications. Compatible with Smart Array E200 and E208i-p SR controller cards in DL360, DL380, DL385, and DL580 server models. Refurbished unit tested and guaranteed to specification; available via quote.
