7 Manufacturer : NEC Year of Release : 1989 Units sold : 7,5 million Best-selling game : Ghouls 'n Ghosts CPU : HuC6280 8-bit 7,16 Mhz RAM : 8 Kbyte Picture Processor Unit : 16-bit Video RAM : 64 Kbyte Media : HU-Card, SHU-Card, CD-ROM, Super-CD-ROM