MDUnlicensed

Unlicensed Sega Mega Drive hardware
Clone consoles
Mega Drive \| Mega Drive 2 \| Genesis 3 \| "Mini" models \| "PlayStation" models \| Others
Bespoke hardware
1990s	AX-660 \| AX-990 \| EZcom \| Game Dunk \| HK-986 \| KW-501 \| Megavision \| Modern Mate \| New 16 Bit \| SB-16C \| Songa II \| Super Alpha II \| Super 16 Bit \| TW-168
2000s	C-11 \| Dual Action \| e-time Game Play \| GN Twin \| Mega Drive Extreme \| Mega Drive III \| Mega Drive V \| Noritul FX-16 \| RetroN 3
2010s	16 Bit Compact MD HDMI \| Fei Hao HD Retro Game \| Hamy SD \| MD Compact \| MegaRetroN HD \| Minigen \| Minigen HD \| RetroN 5 \| Super Retro Trio \| Super Retro Trio Plus \| 16 Bit Pocket MD \| Mega Sg
2020s	RetroN 3 HD
Clone console "families"
Magic Drive \| Magistr Drive \| Maniac Drive \| Retro Genesis \| Super Drive \| "Young" series
Portables
HG-806 \| Mega Drive Portable \| Pocket MD \| RetroGen

From Sega Retro