Detachable 100W USB-C Power Delivery, 9-in-1 USB-C Hub, Promate Aluminum Laptop Stand Port 4K HDMI 1Gbps Ethernet Two USB 3.0 ports as well as a MicroSD slot Nine-in-One Laptop Stand with USB-C Multiport Hub: The Promate PrimeBase-C laptop stand has a detachable multiport USB-C hub with SD/MicroSD card slots, two USB 3.0 ports, an ethernet port, 4K HDMI, and USB-C ports. With this multipurpose design, your laptop becomes a fully functional workstation.