What is the type of connector on a sound card?

The type of connector on a sound card typically includes 3.5mm audio jacks for line-in, line-out, and microphone inputs. Many sound cards also feature digital audio connections such as S/PDIF (Sony/Philips Digital Interface) ports, which can be in coaxial or optical formats. Additionally, modern sound cards may include USB or HDMI connectors for digital audio output.