- CARDEXpert TNT AGP Review Date: 14th February by Vijay Anand - The Good - The Bad - Test System Configuration - Conclusion - Rating - Other video cards reviews CARDEXpert (commonly known as Cardex), the no.2 video-card producer Taiwan is working hard to displace the top Video-Card manufacturer in Taiwan, Leadtek. They have leap-frogged over the time, expanding their contacts and broadening their ...www.hardwarezone.com/reviews/video/cardexTNT/Cardex-TNT.html