Creative Labs X-Fi Xtreme Gamer Fatal1ty Professional Series . Audio quality: 24 bit, Audio output channels: 7.1, Line-out Signal-to-Noise Ratio (SNR): 109 dB. Host interface: PCI. Minimum RAM: 256 MB, Minimum processor: Pentium III 1 GHz, AMD 1 GHz, Minimum hard disk space: 600 MB