Game Optical Drive Simulation Board, Optical Drive Emulation Board Storage Card Extension Built in Free Disk, with Two Heat Sinks, for Dreamcast VA1 EXCELLENT COMPATIBILITY: Optical drive simulation board card has 100% game compatibility, perfect running original for GDI image, and compatible for CDI image. High and stable performance ensures that you enjoy your games and effectively improve the benefits. HEAT DISSIPATION: Optical drive simulation board reads games fast and smoothly during the game, replaces the storage card holder, all metal card holder with two heat sinks, effectively improves ventilation and heat dissipation, reads storage cards more smoothly, stable and...