HP C1100-69303 - Autochanger controller board - Mounts in bottom of chassis behind optical disk drive Retail
HP C1155P - Upgrade kit - Converts model 300mx (C1150P) to a model 600mx (C1160P) - Includes two 9.1GB 14X optical drives and a configuration module - Upgrades model 300mx to four 14X drives and 64 storage slots Retail
HP C1107-60096 - Rear panel - Two are used - Covers the upper back of the unit or the middle back - Flint gray Retail
HP 873564-001 - 800GB hot-plug SAS Solid State Drive (SSD) - 12Gb/s data rate, 2.5-inch small form factor (SFF), write intensive (WI), digitally signed firmware (DS), smart carrier (SC) Retail
HP A1703-69204 - Multifunction I/O board - Includes SCSI/parallel port, plus console, modem, AUI, and ThinLAN connectors Retail
HP 693871-001 - 8GBPC3-12800R registered synchronous dynamic random access memory (SDRAM) dual data rate (DDR3) mode, dual in-line memory module (DIMM), 1Gx72 Retail
HP 871265-001 - Battery module - Enhanced Megacell 12W battery backed write cache (BBWC) module Retail