Marian Trace 8 XLR, PCI-Audio Interface, 24-Bit / 192 kHz, Zero-Latency-Monitoring, Integrated DSP-Mixer, Realtime Hardware Level Meter, Connections: 8x Line-Input XLR balanced, 8x Line-Output XLR balanced, 1x MIDI-In, 3x MIDI-Out, TDM-syncBus, optional Word-/Superclock-Input, PCI 2.3 Card, 32 Bit, 3.3V/5V, Compatibility: Windows XP/Vista/7/8/Windows Server 2003/2008 (32- and 64-Bit), Mac OSX 10.4, 10.5 and 10.6, ASIO 2.1 WDM Audio, DirectSound, MME, Advanced Multi-Client Support