Creative Labs SB X-Fi Surround 5.1 Pro.
Audio quality: 24 bit,
Audio output channels: 5.1,
Line-out Signal-to-Noise Ratio (SNR): 100 dB.
Host interface: USB.
Minimum RAM: 1024 MB,
Minimum processor: Intel Core2 Duo/AMD 2.2GHz,
Minimum hard disk space: 600 MB