1.With three USB interfaces, the hub insert three hard drives at the same time 2.Using ultra-low temperature control and independent chip, it is safe and reliable to use. 3.Adopts durable aluminum alloy material, integrates smart chip, which has heat dissipation function. The maximum temperature of this USB C docking station is only 118.4 degrees Fahrenheit when fully charged. Using 4K30Hz HDMI-compatible technology, directly transmits 3840x2160 UHD video to HDTV, display or projector through the 30Hz HDMI-compatible video port for display playback or enlargement. You can enjoy better smoothness, color, sound and details than the 30Hz port, and it supports resolutions below 4K x 2K @ 30Hz. 4.One chip controls an independent port, supports all ports without delay or interference, prevents overload, short circuit and high temperature, and ensures safety. 5.This Type-C multi-port adapter has 1 HDMI-compatible 4K30Hz video output port, 1 USB-C 100W power supply charging, 1 PD data and 3 USB ports for data transmission. Its data transmission is stable and fast without disconnecting. It supports USB 3.0/2.0 such as USB devices, flash drive, Wi-Fi adapter, mouse, keyboard and other low-speed devices.