The Crucial X9 Pro 4TB USB-C Portable External SSD is a high-performance storage device that is perfect for PC, Mac, and Android users. It boasts a read speed of 1050MB/s and supports SSD (Solid State Drive) and external SSD drive types. The gray-colored device is waterproof, securely encrypted, and comes with password protection. It also has a USB-powered feature and a water-resistant design, making it an ideal choice for those who are always on the go. With an interface of USB 3.2 and USB-C, it is easy to connect to your device and transfer files quickly.