Dual Monitor support with DVI-I and HDMI outputs. Resolution - HDMI: 2560 x 1440 single monitor only, DVI: 2048 x 1152, VGA (using supplied adapter): 1920 x 1200. Integrated 2-port USB 3.0 and 4-port USB 2.0 hub for external drives, cameras and phones. Integrated Gigabit Ethernet port. Stereo audio with 3.5mm headphone output jack and 3.5mm microphone input jack. Sold by each. Black.