Codex Gamicus
PC Engine Super CD Card
Creator NEC
System TurboGrafx CD
Supported games All TurboGrafx CD games
Release date 1991 (JP)

The PC Engine Super CD Card is an upgrade card for the PC Engine CD that adds 1 Megabyte of RAM and updates the system bios. The card was later updated to add 1.5 Megabytes of RAM.

The PC Engine combined with the CD-ROM² and Super CD Card add-ons is known as the PC Engine Super CD-ROM². A combined version was released as the PC Engine Duo in 1991 (in Japan) and as the Turbo Duo in 1992 (in the United States).