HP 229207-001 - 128MB battery-backed cache memory module board - Includes two attached battery packs Retail
HP 446558-001 - Smart Array E200i controller 64MB battery-backed write cache (BBWC) memory board - Does not include back-up battery Retail
HP 871267-001 - Battery module - Enhanced Megacell 12W battery backed write cache (BBWC) module Retail
HP 871265-001 - Battery module - Enhanced Megacell 12W battery backed write cache (BBWC) module Retail
HP 273913-B21 - 256MB DDR memory with battery backed write cache (Memory module board with back mounted battery) - Supports the Smart Array 6400 series controller only Retail
