| ID | Title | Machine | Language |
|---|---|---|---|
| 1000248 | MGT Vidi-ZX Digitiser | - | - |
| 1000932 | MICRO-POKer | - | - |
| 1000236 | Macface | - | - |
| 1000237 | Magnum Light Phaser | - | - |
| 1000666 | Make Spectrum CeNCe | - | - |
| 1000240 | Masterface 1B | - | - |
| 1000241 | Masterface 2B | - | - |
| 1000250 | Micro Command | - | - |
| 1000889 | Micro Screen Controller | - | - |
| 1000941 | Mikro-Plus | - | - |
| 1000266 | Mirage Microdriver | - | - |
| 1001179 | Modulateurs N/B Spectrum | - | - |
| 1000270 | Mukbus Cardframe | - | - |
| 1000684 | Mukbus Power Supply | - | - |
| 1000271 | MulteProm | - | - |
| 1000272 | Multiface | - | - |
| 1000274 | Multiface +3 | - | - |
| 1000275 | Multiface 1 | - | - |
| 1000273 | Multiface 128 | - | - |
| 1000277 | Multitron I/O Support Module 1 | - | - |