About this itemAn Exclusive C Hub for MacBook Pro & Air: Ultra Slim USB C Hub is tailored for Macbook Air 2020, 13" and 15" MacBook Air 2018/2019, MacBook Pro 2019/2018/2017/2016. UGREEN USB-C hub with a sleek aluminum finish perfectly blend in with MacBook. And all hub ports can work simultaneously, small yet mighty. (Note: Remove the MacBook protective case before connecting type C hub adapter).Vivid Video Display Via HDMI: 4K UHD (3840x2160@30Hz) HDMI port, easily connects your Macbook Pro to a larger display with high resolution for a better image, video output, to share the content without any converter dongle. Conveniently mirror or extend your screen for multitasking at work with UGREEN MacBook hub. This USB C hub supports 5K display on USB C port and 4K displays on HDMI port synchronouslyThunderbolt 3 Compatible, One for All: This Thunderbolt 3 hub supports max 6K Video output, 100W PD charging via a USB C port, fast data transferring up to 40Gbps with Thunderbolt devices and up to 10Gbps with USB 3.1 Gen 2 devices, transfer HD movies or files in just seconds.5Gbps Superspeed Data Transfer: This USB Type C hub adds extra 3 USB 3.0 ports to support super faster data transfer up to 5Gbps for connecting multiple USB peripheral devices such as flash drive, hard drive, keyboard, mouse, printer, MP3 player and more. Multi ports HUB could keep you away from the trouble of plugging& unplugging repeatedly and fast transfer files directly among the storage devices, like 2.5" hard drive and flash driveCompact and Portable Size:Compact and lightweight, allows you to expand your laptops'capabilities while on-the-go. The aluminum case is better for heat dissipation, electronic component and circuitry will be conducted to outside more quickly, making this USB C adapter safer to use.Q1: Can all ports be used at one time?Yes, All hub ports can work simultaneously,Allow connecting 2 2.5-in HDD/SSD at one time.If you use all ports at one time, for the stable connection, a PD charging adapter(sold separately) is recommended for power supply.Q2: Do the Thunderbolt 3 port and HDMI port can be used simultaneously for Video output?Yes, they can mirror or extend the screen simultaneously.When they use at the same time, Thunderbolt 3 port can support max 5K@60Hz output, HDMI port can support max 4K@30Hz output.Q3: Does this USB C hub fit if the MacBook Pro has a protective case on?No, it doesn't.In order to seamlessly connect with MacBook Pro, there is no gap between adapter and MacBook Pro, remove the MacBook protective case before connecting the type C hub adapter.Q4: Does this fit the MacBook Pro 2020?Yes, it does.This MacBook Pro hub is designed for MacBook Pro 2020/2019/2018/2017/2016, MacBook Air 2020/2019/2018 ONLY.Q5: Does this USB C Hub support Apple SuperDrive?No, it doesn't.