The Western Digital WD2003FZEX 2TB SATA 3.5" HDD is a high-performance desktop hard disk drive designed for use with both PC and Mac computers. With a rotation speed of 7200 RPM and a storage capacity of 2TB, this internal desktop drive offers fast transfer rates and ample storage space for large files. The drive features a low noise level and a cache size of 64 MB, making it a reliable and efficient choice for storing and accessing data. Additionally, the drive supports SATA III interface and is part of the Caviar Black product line, known for its quality and performance.