Prices include VAT unless otherwise stated; however, check the suppliers' individual pages for details of additional charges such as postage.
| Product | Description | Price (£) | Supplier |
| 12-bit ADC | 12-bit ADC expansion card | 449.00 ex. VAT | Intelligent Interfaces |
| DMI MIDI Interface | Dual MIDI interface | 128.00 ex. VAT | ESP |
| DMI MIDI Interface | DMI MIDI interface | 115.00 | RCI |
| IEEE488 card | IEEE488 Interface expansion card | 299.00 ex. VAT | Intelligent Interfaces |
| I/O card | Single width I/O expansion card | 149.00 ex. VAT | Intelligent Interfaces |
| MIDIMax 2 | Standard-width MIDI expansion card | 92.00 | RCI |
| 16-bit Parallel I/O | 16-bit Parallel I/O expansion card | 199.00 ex. VAT | Intelligent Interfaces |
| PCPro 3 | PCPro software for users of Risc PC second processor cards | 70.00 | Aleph One |
| SCSI II interface | SCSI II interface card with 32-bit data transfer and DMA | 154.00 ex. VAT | Cumana |
| SCSITest | Test whether your SCSI card supports block transfers correctly | Free | David Pilling |
| Serial card (dual ports) | Dual high-speed serial interface expansion card | 149.00 ex. VAT | Intelligent Interfaces |
| STEbus card | STEbus interface expansion card | 495.00 ex. VAT | Intelligent Interfaces |