4 Channel C-Media 8738 Chip 3D Audio Stereo Internal PCI Sound Card Win7 64 Bit - AliExpress
Amazon.com: PCIe Sound Card, 5.1 Internal Sound Card for PC Windows 7 /Vista/XP 32/64 bit with Low Profile Bracket, 3D Stereo PCI e Audio Card : Electronics
7.1 Channel PCI Express Sound Card - Our video cards and sound cards enable you to add smooth video performance or high-end audio capability to your PC computer, through a motherboard PCI