NEVER BEEN USED OUT OF BOX. The Seagate Mobile HDD 1TB 2.5" SATA III 5400RPM 128MB ST1000LM035 7mm is a reliable internal laptop drive designed for high storage capacity and fast transfer rates. With a sleek silver color and a compact 2.5-inch form factor, this hard drive is compatible with laptops and offers a storage capacity of 1TB. The drive features a SATA III interface, 128MB cache, and a rotation speed of 5400RPM, making it ideal for efficient data storage and retrieval. Additionally, it includes a temperature sensor for added monitoring and reliability.