| C4286A | 2MB flash DIMM memory - Font storage device |
| C4287A | 4MB flash DIMM memory - Font storage device |
| C4293A | 8MB simplified Chinese MROM DIMM - For LaserJet printers |
| C7842AX | 8MB, 100MHz SDRAM DIMM memory module |
| C7843A | 16MB, 100-pin SDRAM DIMM memory module |
| Q1887A | 64MB, 100-pin SDRAM DIMM memory module |
| C9680A | 64MB, 100MHz SDRAM DIMM memory module |
| D4838A | Font DIMM - Korean Font memory DIMM |
| Q2453-67927 | LaserJet 4200 Firmware DIMM - Version 04.020.3 |
| Q2453-67934 | LaserJet 4200L series Firmware DIMM |
| Q7707AX | 32MB, 100-pin SDRAM DIMM memory module |
| Q7709-67951 | 133 MHz 128MB, 100-pin SDRAM DIMM memory module Synchronous DRAM DIMM |
| Q7709AX | 133 MHz 128MB, 100-pin SDRAM DIMM memory module Synchronous DRAM DIMM |
| Q7712AX | 256MB, 168-pin SDRAM DIMM memory module |