The Seagate Backup Plus Slim Silver 2TB External Hard Drive is a portable external HDD that is compatible with both PC and Mac systems. With a sleek silver design and USB 3.0 interface, this hard drive offers fast read speeds of up to 500MB/s and a storage capacity of 2TB. It features a 5400 RPM rotation speed, 16MB cache, and comes with Blu-ray BD-R writable format support. This Seagate drive is perfect for backing up and storing large amounts of data, making it a reliable and efficient storage solution for any computer system.