Thunderbolt 4 and More - The Plugable Thunderbolt 4 and USB4 Hub with 60W Charging is Thunderbolt certified and built on the Goshen Ridge Chipset for maximum USB-C, USB4, and Thunderbolt 4 functionality Powerful Ports - 3x Thunderbolt 4 / USB4 ports for speeds up to 40Gbps, and 15W charging for phones and tablets. 1x USB-A up to 10Gbps, 1x upstream Thunderbolt 4 port up to 60W charging to host Compatibility - Windows (10+) with Thunderbolt 4 / USB4, macOS (11+). Thunderbolt 4 / USB4 dock supports 2x 4K screens at 60Hz, one 8K screen at 30Hz or 1x 6K on M1 Macs (1x USB-C to HDMI 2.0 adapter included). Thunderbolt 3 Windows systems not recommended Exceptional Expansion - Daisy chain up to six Thunderbolt devices with this Thunderbolt hub to make room for all of your USB-C and Thunderbolt devices, or use as a stand-alone chargerno computer necessary