Creative Labs Sound Blaster X-Fi Notebook. Audio quality: 24 bit, Audio output channels: 2.0, Line-out Signal-to-Noise Ratio (SNR): 98 dB. Host interface: ExpressCard 54. Minimum RAM: 256 MB, Minimum processor: 1.66 GHz Intel Pentium M, Intel Core, AMD Turion, Minimum hard disk space: 600 MB