ASUS Xonar D1, 7.1 channels, Internal, 24 bit, 116 dB, PCI
ASUS Xonar D1. Audio output channels: 7.1 channels, Audio quality: 24 bit, Line-out Signal-to-Noise Ratio (SNR): 116 dB. Host interface: PCI. Dolby technologies: Dolby Digital Live, Dolby Headphone, Dolby Home Theater v3, Dolby Pro-Logic IIx, Dolby Virtual..., Chipset: ASUS AV100, Compatibility: DirectSound3D GX 2.0 & 1.0 / DirectSound HW / DirectSound SW / A3D 1.0. Windows operating systems supported: Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista.... Minimum RAM: 256 MB, Minimum processor: Intel Pentium 4 1.4GHz / AMD Athlon 1400