Syba SD-PEX63034 7.1 Channel Surround Digital/Analog PCI-e Sound Card, VIA VT1723 Envy24DT Chipset Inputs:CD-IN 4-pin Header (Signal: L-G-G-R),CD-IN 4-pin Header (Signal: G-R-G-L),Mono Microphone,S/PDIF Optical,Analog Left/Right Line-in Outputs:Front Left/Right Analog,Side Surround Left/Right Analog,Center/Subwoofer Analog,Rear Surround Left/Right Analog,S/PDIF Optical Sampling Rate up to 24-bit and 48KHz for both Playing Back and Recording.Supports 96K/24 bit playback; 48K/16 bit recording.Supports Swapping of Center and LEFT audio Output Channel. Based on VIA VT1723 Envy24DT Multi-channel Audio Controller.Based on VIA VT1618 8-channel AC'97 Codec.Complies with AC'97 Specification, Revision 2.3.Complies with PCI-e Base Specification Rev. 1.1. Integrated De-pop Function for Eliminating Pop Noise During PC Power-up and Shutdown.