Asus Xonar D1/A Dolby 7.1 PCI Sound Card P184005P Part Number 90-YAA0B0-0UAN0B
In addition, the Xonar D1 has a THD (Total Harmonic Distortion) of 1/32 (-105 dBs) compared to -75 dBs of plate-based solutions. - Xonar D1 PCI audio card, 7.1 channels. Dolby Digital Live Dolby Pro-Logic III.