Features: Experience immersive surround sound with the PCIE 5.1 Channel Sound Card featuring the CMI8738 chip Enjoy clear sound quality and support for DirectSound 3D technology with this internal sound card. Perfect for home theater enthusiasts, gamers, music lovers, and karaoke enthusiasts. Enhances your entertainment experience with this sound card, whether you're watching movies, playing 3D games, or enjoy your favorite music. Upgrades your PC sound capabilities with this quality sound card, delivering rich and immersive sound for all your multi media needs. Specifications: Material:Metal Size:Approx.11.7x5.2cm/4.61x2.05in PCIExpress x1 specification revision1.1 6Channel AC97 specification revision2.3 Sound sampling rate 24bit, 48kHz support playback and recording; Adopting PCIExpress interfaces, supporting 5.1 channels 3D positioning technology base on HRTF technology (C3DX) Supporting waveform table music synthesizer Built in 32ohm headphone, ZVport Playback recording, 16bit multi media digital signal editing decoders Supporting DirectSound 3D, Support for Windows 9X/Me/2000/NT4.0/XP/7/8System Package Includes: 1xSound Card note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.