10Gbps Data Transfer Speed - For 4x USB C ports(USB3.2 Gen 2), data transfer rate up to 10Gbps, 20X faster than USB 2.0 (480 Mbps), you can transfer 75G HD movies or large files in 60 seconds.USBC dongle Works well with SSD. (NOTE: The 4 USB C data ports only support data transfer, and do not support connecting a display or charging 2 Feet (60CM) Long Cable Extension - The 2-ft usb c hub long cable can keeps you working with a clean and tidy desktop. Easily to connect other devices to the host and avoid damaging your ports by plug and unplug time by time