How much does this cost to the nearest dollar?

Plugable USB 3.0 Dual DisplayPort 4K Monitor Universal Laptop Docking Station for Windows and Mac (Dual 4K DisplayPort, Gigabit Ethernet, Audio, 6 USB Ports)
Expandibility - Plugable provides dual DisplayPort (DP++) outputs, Gigabit Ethernet, audio input/output & six USB 3.0 ports. Dual DisplayPorts support two displays up to or a single display when using DisplayPort 1.2 displays and cables. Also supports popular lower resolution modes such as and more Dual DisplayPort Monitors - Please note DisplayPort and HDMI are separate standards which utilize different cables and connectors. Most PC monitors and all TVs do not have DisplayPort connections. Conversion to HDMI, Single-Link DVI, or VGA is possible via adapters (sold separately

Price is $310.00

Price: $310