$28.98 Vantec 7.1 Channel PCI Sound Card (UGT-S100)

$15.99 Diamond Xtreme Sound 5.1-Channel Sound Card

$39.98 Vantec 7.1 Channel PCI-E Sound Card (UGT-S110)

$56.99 ASUS 7.1 PCI Audio Card (Xonar DS)

$69.99 ASUS 7.1 PCI-E Audio Card (XONAR DSX)

$89.98 ASUS 7.1 PCI-E Sound Card (Xonar DX)

$39.98 StarTech 7.1 USB Audio Adapter External Sound Card with SPDIF Digital Audio

$13.98 StarTech USB to Stereo Audio Adapter Converter

$39.98 Vantec 7.1 Channel PCI-E Sound Card (UGT-S110)

$89.98 ASUS 7.1 PCI-E Sound Card (Xonar DX)

$28.98 Vantec 7.1 Channel PCI Sound Card (UGT-S100)

$48.98 SIIG DP SoundWave 5.1 PCI-E Sound Board (IC-510111-S2)

$29.98 ASUS 5.1 PCI Audio Card (Xonar DG)

$20.98 StarTech 4-Channel PCI Sound Card (PCISOUND4CH)

$48.98 SIIG DP SoundWave 5.1 PCI-E Sound Board (IC-510111-S2)

$600.98 Asus USB External Sound Card (XONAR ESSENCE ONE)

$29.98 ASUS 5.1 PCI Audio Card (Xonar DG)

$15.99 Diamond Xtreme Sound 5.1-Channel Sound Card

$99.99 Creative Lab Recon3D Internal 5.1 Channel Soundcard (70SB135000000)

$21.99 SYBA 7.1 Channel USB Sound Adapter (SD-CM-UAUD71)