The Seagate ST500LM030 is a BarraCuda Compute 2.5" internal hard disk drive that is ideal for smaller systems such as laptops and other small form factor computers. It is built on a thin and lightweight design that is smaller than all-in-one desktop PC drives and is suitable for a variety of computer applications. This hard drive offers 500 GB of storage which is ideal for saving digital videos, photos, music, and other files. It provides data transfer rates of up to 140 MB/s users benefit from faster load times, 5400 RPM speed that gives fast disk access, 128 MB buffer size or cache, and an interface of SATA 6Gb/s.