Manufacturer: Sega Released: 1994 Units sold: 665,000 CPU: 2 x 32-bit Hitachi SH2 @ 23 MHz + Mega Drive CPUs RAM: 256 KB / VRAM: 256 KB Graphics: 32X VDP Resolution: 320×224 pixels, 32768 colors Sound: Q-Sound 10-bit Stereo PCM chip + Mega Drive sound chips Cart size: 2 to 4 MB