SIIG 3 Port DisplayPort 1.4 to HDMI MST Hub 4K - 1x3 DP 1.4 to HDMI Multi Monitor Splitter and Adapter - for Windows PCs and Laptops (NOT for Mac OS) CE-DP0Q11-S1 K72337WW and Ubuntu

and Ubuntu

The USB cable is 3 ft long

Soft cushion in mouse Pad offers extra comfort for your palm

whether it be for RS232

SIIG 3 Port DisplayPort 1.4 to HDMI MST Hub 4K - 1x3 DP 1.4 to HDMI Multi Monitor Splitter and Adapter - for Windows PCs and Laptops (NOT for Mac OS) CE-DP0Q11-S1 K72337WW and UbuntuSpecificatons: Compliant with DisplayPort 1. 4 specifications Audio: 5. 1 ch surround audio Display Modes: Mirror, Extend, Panoramic video wall* Product: Dimensions: 4. 14" (W) x 0. 67" (H) x 2. 64" (D) Weight: 0. 28 lbs Color: Black Housing: Aluminum Connector: 1x 20 pin, DisplayPort, Male, Input 3x 19 pin, HDMI, Female, Output 1x 5 pin, Micro USB, Female, Input (for power only) Unit Package: Dimensions: 7. 80" (W) x 0. 98" (H) x 4. 72" (D) Weight: