The Seagate Backup Plus STHP4000400 delivers 4 TB of external storage in a compact, portable design that plugs directly into a computer via a USB 3.0 interface. This external hard drive is ideal for backing up large files, media libraries, and documents, providing a reliable, high‑capacity solution for both home and professional use. With Seagate’s proven track record in data storage, the Backup Plus offers a straightforward plug‑and‑play experience, enabling quick transfer of files between devices without the need for additional software. Its durable construction and lightweight form factor make it convenient for on‑the‑go data protection and long‑term archival storage.