Feature6-Channel DAC for AC3 5.1 Channels HRTF-Base 3D Positional Audio DirectSound TM3D EAX and A3D Audio DLS-Base Wavetable Music Synthesizer MPU401 Compatible MIDI Interface and GM Fully Sound Blaster Sound Blaster Pro Compatible Line-IN MIC-IN and Game/MIDI Port Power Support: 4 PIN connectorPackage Content1 x 5.1 PCI-E Audio Card 1 x Driver CD 1 x User ManualItem Dimension (L inchxW inchxH