Alienware Command Center on Dell G Series Microphone jack | . Headphone jack | . USB 2.0 Type-A (2) | . USB 3.1 | . USB Type-C | . Front L/R surround line-out | . Audio-in | . Center line-out | . Superspeed USB 3.1 (4) | . RJ45 Ethernet | . USB 2.0 Type-A (2) | . HDMI