| 1000804 | Data 2000 Watch | - | - |
| 1000084 | Datamate | - | - |
| 1000097 | Datel Robotek | - | - |
| 1000098 | Datel Snapshot | - | - |
| 1000479 | Datel Snapshot II | - | - |
| 1000110 | Defender Light Gun | - | - |
| 1001012 | Digital/Analogue Converter | - | - |
| 1000619 | Doubler | - | - |
| 1000130 | Doubler MkII | - | - |
| 1000144 | EPROM Services 32-way Port | - | - |
| 1000146 | Eve Adaptor | - | - |
| 1001061 | Expansion Port Adaptors | - | - |
| 1000150 | Feedback Eliminating Device | - | - |
| 1000525 | Gun Stick | - | - |
| 1000750 | Hall Video Adaptor | - | - |
| 1000176 | Haven Input/Output Port | - | - |
| 1000179 | Heart Rate Monitor | - | - |
| 1000183 | Hobbyboard Micro Interface | - | - |
| 1000198 | I-Pack | - | - |
| 1001157 | IMC I1 ROM | - | - |