24 - Ports and connectors Defined by the 3.2 Gen 1 specification (SuperSpeed USB). USB 3.2 Gen 2 information USB 3.2 Gen 2 compatible ports are red. Compatible with 3.2 Gen 2 and earlier devices. For optimal performance, use 3.2 Gen 2-certified devices. Defined by the 3.2 Gen 2 specification (SuperSpeed USB). Rear panel audio ports The table below indicates the functions of the audio jacks on the rear panel (if available). Blue Rear Rear Green Headset Front Front Front Blue Icon color Headset Stereo Quadrophonic 5.1-channel Center/ Mic-in Mic-in Mic-in woofer