A dedicated interface used to transfer audio signals in and out of a computer.
A Sound Card (or Soundcard) can be installed internally, or connected externally via USB2, USB3 or FireWire, and they are available in a wide range of formats, accommodating multiple analogue or digital audio signals (or both) in and out, as well as MIDI data in and out.
RME HDSPe AIO-Pro soundcard.