StarTech.com 5 Channel Low Profile PCI Sound Adapter Card PCISOUND5LP Hardware 5.1 channel audio outputs and support for Dolby Digital EX and DTS ES 5.1 channel for superior DVD audio playback Backed by a StarTech.com 2-year warranty and free lifetime technical support 5.1 channel surround sound output via 3.5mm mini-jacks DirectSound 3 hardware acceleration Support for Dolby Digital EX and DTS ES 5.1 channel playback. ME/2000/ XP(32/64-bit)/ 2003(32/64-bit)/ Server 2008 R2/ Vista(32/64-bit)/ 7(32/64-bit)