The TurboGrafx-16, is a fourth-generation home video game console designed by Hudson Soft and sold by NEC Home Electronics. It was the first console marketed in the 16-bit era, although it used a modified 8-bit CPU. It was released in North America in 1989. The TurboGrafx-16 has an 8-bit CPU, a 16-bit video color encoder, and a 16-bit video display controller. The GPUs are capable of displaying 482 colors simultaneously, out of 512. Games were released on HuCard cartridges and later the CD-ROM optical format with the TurboGrafx-CD add-on.