ASUS XONAR/DGX, 5.1 channels, Internal, 24 bit, 105 dB, PCI-E
ASUS XONAR/DGX. Audio output channels: 5.1 channels, Audio quality: 24 bit, Line-out Signal-to-Noise Ratio (SNR): 105 dB. Host interface: PCI-E. Dolby technologies: Dolby Headphone, Chipset: C-Media CMI8786, Audio decoders: Dolby Digital 5.1, Dolby Surround. Width: 2.54" (64.4 mm), Height: 6.71" (170.4 mm)