The Seagate Backup Plus 4TB USB 3.0 Desktop External HDD in black is a high-capacity storage solution compatible with both PC and Mac systems. With a rotation speed of 7200 RPM and a transfer rate of 5 Gbps, this desktop external HDD offers fast read and write speeds. It features a 3.5-inch form factor, making it easy to set up on a desktop. The drive is powered by USB 3.0, allowing for convenient connectivity without the need for additional cables. Additionally, this Seagate product comes with a one-year manufacturer warranty for added peace of mind.