DP SoundWave 7.1 PCIe

Dual Profile, PCie, Dolby Digital 5.1, 24bit, S/PDIF optical out

SoundWave 5.1 PCI

SoundWave 7.1 PCI

StarTech.com 7.1 USB Audio Adapter External Sound Card with SPDIF Digital Audio - External USB Lapto

USB Stereo Audio Adapter External Sound Card

StarTech.com 5.1 Channel PCI Surround Sound Card Adapter - PCI Sound Card - 5.1 Sound Card - Audio C

StarTech.com 7.1 Channel Sound Card - PCI Express - 24-bit - 192KHz - SPDIF Digital Optical and 3.5m

USB 7.1 Adapter External Card, White

Virtual 7.1-Channel USB External Sound Card