The ST1000DM003 p/n: 1ER162-044 fw:AQ04 TK s/n: Z4Y 1TB SATA Seagate internal desktop drive is a high-quality hard disk drive perfect for both PC and Mac users. It has a storage capacity of 1TB, making it ideal for storing a large amount of data and applications. The drive is from the trusted brand Seagate and features a SATA interface for fast data transfer. With its 3.5-inch form factor and compact design, this hard drive is a reliable and efficient storage solution for your computer.