The SanDisk Ultra 512GB USB 3.0 Flash Drive is an external drive designed for use with laptops and PCs. With a read speed of 130 MB/s and a write speed that is 10 times faster, this black flash drive offers fast data transfer rates. It has a storage capacity of 512GB, making it ideal for storing large amounts of data quickly and securely. The USB 3.0 interface ensures compatibility with a wide range of devices, making it a convenient and reliable storage solution for on-the-go use.