The Seagate Momentus 5400.6 320GB internal 2.5" HDD (ST9320325AS) is a high-performance hard drive designed for laptops. With a storage capacity of 320GB and a rotation speed of 5400RPM, it offers reliable and efficient storage for your data and applications. The Momentus product line from Seagate is known for its quality and performance, making it a great choice for those in need of a reliable internal drive for their computer.