The HDSPe RayDAT from RME is a PCI express card system for Mac and Windows computers that's capable of handling 36 inputs and 36 outputs simultaneously. It provides 4 optical ADAT inputs and outputs, which support S/MUX technology making high-resolution 192 kHz recording and playback possible. It also features simultaneous operation of S/PDIF and AES/EBU ports, and two MIDI inputs and outputs on included breakout cables.