The Seagate STGX2000400 2TB Portable Hard Drive is a black external sealed hard drive that is compatible with both PC and Mac. It features a 5400 RPM rotation speed and a cache size of 64MB. This USB 3.0 drive offers a maximum fan speed of 3700 RPM and a transfer rate of 300 Mbps. With a storage capacity of 2TB, this portable external HDD from Seagate is ideal for expanding storage on your computer while providing fast read speeds of up to 500MB/s. It is backed by a 1-year manufacturer warranty and is powered by USB, making it a convenient and reliable storage solution for your files.