Description:5.1 channel surround sound output and mic/line audio input via 3.5mm mini-jacksSupports up to 48KHz/16-bit sampling rateIncludes low profile/half-height installation bracketSupports HRTF 3D audio, Microsoft DirectSound/ DirectSound 3D, and A3DSupports PCI Version 2.2 with ACPISupports hrtf 3D audio, Microsoft direct sound/ direct sound 3D, and a3dFull-Duplex operation for recording and playbackFits into full or low profile/small form factor (SFF) systems, with a dual profile designUpgrade your audio listening experience with 5.1 channel surround sound outputSpecification:Product Dimensions: approx. 12x12 cmForm Factor: Plug-In CardPackage Includes:1x Main Board PCI Sound Card1x CD Driver