The Seagate Expansion 3TB External Desktop HDD SRD0NF2 is a black external hard drive that is compatible with both PCs and Macs. It features a USB 3.0 interface for fast data transfer, and has a storage capacity of 3TB. This desktop external HDD is part of the Seagate Expansion product line, designed for easy connectivity and added storage space for your computer. Perfect for expanding your storage capacity, this unit does not come with a power cord but is still a reliable choice for those in need of extra storage space for their files.