USB Hub: 3x USB-A Female (2x SuperSpeed 5Gbps, 1x HighSpeed 480Mbps), HDMI Video Resolutions: Support up to 3840 x 2160p at 30 Hz (4K@30Hz), RJ45 Port: Gigabit Ethernet (10/100/1000 Mbps), Card Reader: SD and MicroSD (SuperSpeed 5Gbps), PD Charging: USB-C Female (for charging only), up to 100W, Operation Temperature: 0 - 45°C. With the CHN580 8-in-1 USB-C Multiport Adapter, you can get the most out of your laptop through USB-C port. It turns a single USB-C port into 8 ports, including 3 USB-A port, 2 card slots for data transfer, HDMI Display expansion, Gigabit Ethernet, and PD charging.