This dual-monitor USB-C™ dock transforms your MacBook or Windows® laptop into a dual Ultra HD 4K workstation, with support for 4K DisplayPort and HDMI monitors. It gives you all the connections to create a fully capable workstation, including an SD™ card reader slot. The USB-C docking station features USB Power Delivery 2.0 (60W), to power and charge your laptop as you work. It's the perfect companion for your MacBook Pro or other Thunderbolt™ 3 equipped laptop. Create a dual-4K video workstation The USB-C dock expands the display capabilities of your laptop across two Ultra HD 4K monitors. It enables DisplayLink® and USB-C DP Alt Mode to allow dual 4K video output to HDMI and DisplayPort 4K monitors. With the dual-4K dock, you can connect: 1x 4K DisplayPort display at 3840 x 2160 resolution @ 30Hz 1x 4K HDMI display at 3840 x 2160 resolution @ 30Hz SD card reader The dock provides direct access to your SD memory cards or microSD™ cards (with adapter). The SD card slot can also be used for additional storage and backup through macOS X Time Machine or Windows 10 File History. Ample connections The dock provides four USB 3.0 (Type-A) ports to connect your peripherals, including a USB 3.0 fast-charge and sync port, a Gigabit Ethernet port, and a combined 3.5 mm audio and microphone port. Universal support Compatible with Mac and Windows, this universal dock works with USB-C and Thunderbolt 3 enabled laptops. The DK30CHDDPPD is backed by a StarTech.com 3-year warranty and free lifetime technical support.