Communication Port 1 RJ-45 Killer Networks e2400 Gigabit Ethernet Port, 1 Type-A SuperSpeed USB 3.0 Port, 1 Type-A SuperSpeed USB 3.0 Port with PowerShare technology, 1 Type-C SuperSpeed USB 3.0 Port, 1 Thunderbolt 3 Port (USB Type-C with support for SuperSpeed USB 10Gbps, 40Gbps Thunderbolt, and DisplayPort), 1 Alienware Graphics Amplifier Port, 1 HDMI 2.0 Output, 1 Mini-Display Port 1.2 (certified) Output, 1 Audio Out 1/8" Ports (Compatible with inline mic headset), 1 Headphone 1/8" Port (retaskable for Microphone/Line-In analog audio input), 1 Noble Lock port (cable and lock sold separately)