DUAL 4K 60 HZ DISPLAYS:Supports extended dual 4K displays (HDMI & DisplayPort) on Intel MacBook Pro and MacBook Air. Supports single display via HDMI on other USB-C compatible laptops connected via one USB-C port. HIGH-PERFORMANCE STORAGE: Built-in M.2 NVMe/SATA PCIe SSD Slot (Supports M.2 NVMe or SATA M key 2230/2242/2260/2280) to expand storage space, convenient SD & microSD access, and one USB-C 10 Gbps port to connect an external hard drive. HIGH-SPEED PERFORMANCE: Provides three SuperSpeed USB 10 Gbps ports (1 USB-C and 2 USB Type-A) to connect peripherals 100W POWER DELIVERY PASS-THROUGH: Charge your laptop and power connected peripherals when used with a USB-C power adapter DETACHABLE MAGNETIC CONNECTORS: The flexible design gives you the ability to connect to a variety of compatible devices