1. PCIe sound card, 5.1 stereo audio card | 4. 16-bit multimedia digital signal editing decoder inside, Supports 32/64-bit audio processing, recording and playback | 2. Easily convert the PC into a cinematic entertainment system by providing a 5.1 3D stereo surrounding sound | 3. With low profile bracket for 2U case, your of sound card for PC desktop | 5. Supports direct sound, A3D and EAX, HRTF 3D tone. Supports Windows XP / 7 / 10