Feature: 1. Using for CMI8738 5.1 multi‑channel audio chip, compatible for DirectSound 3D and EAX audio effects. 2. 6-channel surround sound output, support front left/right, surround left/right, center/subwoofer, S/PDIF-Out interface. 3. Has the function of eliminating noise balance when turning off or turning on the computer. 4. Provide surround sound field and clear sound quality, suitable for home theater, large-scale 3D games, enjoy music and other entertainment. 5. Supports PC computer systems with PCI‑Express slots such as for Windows 7/Vista/XP 32/64‑bit. Specification: Item Type: Sound Card Material: PCB Color: Black board Sound Chip: For CMI8738 Transfer Type: PCI-E to 3.5mm x 5 Pink Port: Microphone input Orange Port: Line input Green Port: Front output Blue Port: Rear output Black Port: Bass Applicable Equipment: PC computers with PCI-Express slots that support for Windows 7/Vista/XP 32/64-bit and other systems How to Use: 1. Open the computer case and remove the rear block 2. Insert the sound card into the corresponding PCI-Expres slot 3. After installing the chassis, turn it on, read the drive disk, install the drive and use it. Package List: 1 x Sound Card 1 x Driver CD