The Seagate Expansion Desktop Drive (STKP26000400) delivers massive capacity—perfect for storing photos, videos, music, and documents at home, in the office, or in a dorm room. Just plug in the included USB 3.0 cable and power adapter to instantly add storage to your Windows or Mac computer—no software installation required. Need Time Machine support? Simply reformat for Mac. With fast data transfer and Seagate's Rescue Data Recovery Services, your files are always within reach and protected.