The SanDisk Extreme 4TB USB-C Portable External SSD is a high-quality solid-state drive perfect for use with laptops and PCs. With a sleek black design and a compact 2.5-inch form factor, this portable SSD offers fast read speeds of up to 2000MB/s and transfer rates of 550 Mbps. It features secure encryption, water resistance, and comes sealed in its original packaging. Its 4TB storage capacity provides ample space for storing large files, making it an excellent choice for users looking for a reliable and efficient external storage solution.