Creative Sound Blaster AE-9 Sound Card - 7.1 Sound Channels - Internal - Creative Sound Core3D - PCI Express - 129 dB - 4 Byte 384 kHz Maximum Playback Sampling Rate - 2 x Number of Audio Line Out - S/PDIF In - S/PDIF Out - 1 x Number of Digital Audio Optical Input - 1 x Number of Digital Audio Optical Output: