Supports 4 display modes: Extended, Primary, Mirror, and Rotation Mode. *Functions limited by operating system Increase productivity: Multitask with a larger landscape/desktop space. Move and view your large spreadsheets across four screens without overlapping windows. Ideal for viewing multiple windows at the same time to enhance productivity from standard business applications. 1080P HDMI™ resolution with stereo audio: 1920 x 1080 @ 60 Hz, with 1080P Video Playback; display rotation: 0°, 90°, 180°, 270°. 4 HDMI™ ports simultaneously support 48 kHz imbedded audio. No external power required: USB™ powered with SuperSpeed USB™ 3.0, 5 Gbps Multitask effectively: Great for multitasking in a wide variety of applications including phone centers, stock markets, hospitals, graphic design, editing, accounting, etc. Efficient for editing documents on one screen and researching reference materials on the other.