HP 0960-0899 - 256kB, 33MHz secondary cache memory module upgrade - (D3322A) - Plugs in a socket on the processor board Retail
HP 871265-001 - Battery module - Enhanced Megacell 12W battery backed write cache (BBWC) module Retail
HP 871267-001 - 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
