With this 7.1-channel PCIe sound card, you can create a high-quality home theatre sound system. It offers SPDIF input and output ports which deliver crystal-clear digital optical audio, for the ultimate listening experience. Features Superb audio quality, with high-resolution 7.1 digital surround sound Supports digital optical or analog audio devices through SPDIF or 3.5mm jacks All ports fit in standard or small form-factor computers ( low-profile brackets included), using the main card plus header bracket Supports HD audio, with up to 24-bit and 192KHz playback and recording Stereo microphone, line, and SPDIF inputs ~92dB SNR ( signal-to-noise ratio) at front output Three internal auxiliary inputs ( 2x CD/DVD-IN and 1x Intel HD front panel audio) Supports ASIO and WASAPI Bus Type - PCI Express Card Type - Standard Profile Connector Type - 1 - PCI Express x1 Male External Ports - 2 - Toslink ( SPDIF, Optical) Female, 6 - 3.5 mm Mini-Jack ( 3 Position) Female Internal Ports - 2 - MPC2 ( 4 pin, Audio) Male, 2 - IDC ( 10 pin, Motherboard Header) Male and 1 - IDC ( 9 pin, USB 2.0, Motherboard Header) Male OS Compatibility - Windows8/8.1 ( 32/64bit), 7 ( 32/64), Vista ( 32/64), XP ( 32/64) Dimension - 4.7 H x 4.3 L x 0.7 W in. Weight - 3.7 oz.