Marian Seraph A3, PCIe Audio Interface, 24-Bit / 96 kHz, 64 Channels in total, Connections: 3x ADAT Input, 3x ADAT Output, 96 kHz S/MUX Support, MIDI-controllable 64-Channel DSP-Mixer with up to >5 pre/post switchable Aux, 4 EQs in each Channel, flexible Routing, Sample Rate: 44.1 kHz / 48 kHz, 88.2 kHz / 96 kHz in S/MUX Mode, Multi-Card Support, TDM SyncBus, Compatibility: Windows XP/Vista/7/8/Server 2003/2008 (32-Bit and 64-Bit), Server 2008.R2/2012 (64-Bit only), Mac OSX 10.4, 10.5, 10.6 and 10.7