Creative Labs Sound Blaster Audigy 2 ZS, FR. Audio quality: 24 bit, Audio output channels: 7.1, Line-out Signal-to-Noise Ratio (SNR): 106 dB. Host interface: PCI. Bundled software: Creative MediaSource Drivers. Minimum RAM: 64 MB, Minimum processor: Pentium II 350 MHz, Minimum hard disk space: 600 MB