| Product name | Model name | Overview |
| Extended SRAM cassette | NZ2MC-2MBSE | Extended SRAM cassette, program memory capacity: 2M bytes (ECC type) |
|   | NZ2MC-8MBSE | Extended SRAM cassette, program memory capacity: 8M bytes (ECC-compatible) |
| SD memory card | NZ1MEM-2GBSD | SD memory card, program memory capacity: 2G bytes |
|   | NZ1MEM-4GBSD | SDHC memory card, program memory capacity: 4G bytes |
|   | NZ1MEM-8GBSD | SDHC memory card, program memory capacity: 8G bytes |
|   | NZ1MEM-16GBSD | SDHC memory card, program memory capacity: 16G bytes |
| Battery | Q6BAT | Replacement battery |
| Large capacity battery | Q7BAT-SET | Large capacity battery with battery holder |
|   | Q7BAT | Large capacity replacement battery |