7
Manufacturer: Sega
Released: 1991
Units sold: 2.24 million (CD-ROM add-on)
Best-selling game: Sewer Shark
CPU: 16-bit Motorola 68000 @ 12.5 MHz + Mega Drive CPUs
RAM: 512 KB / VRAM: 256 KB / Sound RAM: 16 KB
Graphics: Custom ASIC
Resolution: 320×224 pixels, 64 colors (512 color palette)
Sound: Ricoh RF5C164 + Mega Drive sound chips
Media: 500 MB CD-ROM, CD+G