StarTech.com 4 Channel Low Profile PCI Sound Adapter Card AC97 3D Audio Effects Sound Cards

Full Details from Amazon.com : http://www.amazon.com/gp/product/B001D767GA?tag=onigi-20

StarTech.com 4 Channel Low Profile PCI Sound Adapter Card AC97 3D Audio Effects Sound Cards

Hardware 4-channel audio outputs and support for EAX environmental audio extensions
Backed by a StarTechcom 2-year warranty and free lifetime technical support
4 channel audio output via 35mm mini-jacks
Support for EAX Karaoke Key and Echoing
Built-in 32 Ohm earphone bufferOperating Systems Windows 2000 XP3264bit Server 20033264bit Vista3264bit 73264bit Server 2008 R2 and Linux