Built-in 240GB M.2 SSD Storage, HDMI [4K @ 30Hz], 2 x USB 3.0 and USB-C for Power Delivery, perfectly matches your Apple MacBook. World’s first to combine SSD storage with additional data and display output ports delivering high-speed transfers and ultra-convenience. Easy access to your data and content, ideal for storing 4K video and photos that you can output to an external display within seconds via the integrated HDMI port. MINIX NEO S2’s 240GB SSD storage supports up to 400MB/s read and write speed. Based on internal testing; performance may vary depending on MacBook model, OS and application. 1MB = 1,000,000 bytes. 3-year limited warranty, the ultimate companion for your Apple MacBook, Apple MacBook Air and Apple MacBook Pro.