| C6229A | 4MB SIMM memory module - For DesignJet CP printer |
| C6230A | 8MB SIMM memory module - For DesignJet CP printer |
| C6231A | 16MB SIMM memory module - For DesignJet 400, 700, CP series printers |
| C6232A | 32MB SIMM memory module upgrade - For DesignJet 400, 700, CP series printers |
| 1818-6171 | 4MB EDO (Extended Data Output) DRAM SIMM memory module |
| C4723-60263 | 8MB EDO (Extended Data Output) DRAM SIMM memory module |
| C4723-60264 | 16MB, 60nS EDO (Extended Data Output) DRAM SIMM memory module |