Unless your display has a USB-C connection itself, you’ll need an adapter (not included) using the Thunderbolt and USB-C connections. The HDMI and Thunderbolt/USB-C port would connect two displays (4K at 60Hz for Thunderbolt laptops), while the third external display would use one of the USB-C ports (4K at 30Hz). The PowerExpand Elite can connect up to three external displays on Windows laptops only as macOS doesn’t support MST (Multi-Stream Transport). With its Titan Ridge chipset, it is also USB-C compatible, and is a neat and compact vertical dock. If you need more ports than the Caldigit USB-C HDMI or Pro Docks, Anker’s PowerExpand Elite Thunderbolt 3 dock offers 13. Front-facing 3.5mm Analogue Audio In & Out port.Gigabit Ethernet port for wired Internet access.microSD 4.0 Card Reader (SD 4.0 UHS-II).2 x USB-C ports (10Gbps) allows second 4K at 60Hz display with adapter.1 x HDMI 2.0 port (4K at 60Hz or 1 x 5K at 60Hz).Up to two external displays (2 x 4K at 60Hz or 1 x 5K at 60Hz).85W PD charging, plus standalone charging.Two Thunderbolt 3 ports (40Gbps) – one to host.Compatible with USB-C Windows tablets and USB-C iPads.USB-C and Thunderbolt laptop compatible.You can also attach USB mouse, keyboards, and storage devices to the Dock, to recreate the Windows PC experience from your phone. Once the Display Dock is attached to the Lumia 950, you can connect to an HDMI or a DisplayPort monitor. On the other side of the Display Dock is the USB Type-C port to connect to the Lumia 950 over the USB Type-C to USB Type-C cable. There is also one DisplayPort 1.2 port and one HDMI 1.4 port, either of which you can use to connect to an external monitor. The Microsoft Display Dock has one USB Type-C and three USB Type-A downstream ports running at USB 3.1 Gen 1 (5 Gb/s) speeds. The Display Dock comes with accessories including USB Type-C AC Adapter and USB Type-C to USB Type-C cable. The Display Dock packaging is a lot like the Lumia 950's packaging. The Microsoft Display Dock was released to support Continuum which is Microsoft's technology for allowing Microsoft phones like the Lumia 950 to create a Windows PC experience over USB Type-C. Put a Windows PC in Your Pocket with the Microsoft Lumia 950 and Display Dock

Microsoft display dock cost