The Compatible Western Digital WD30EZAZ Blue 3TB HDD is a reliable internal desktop drive designed for use with PCs. With a storage capacity of 3TB and a rotation speed of 5400 RPM, this SATA III drive offers fast data transfer rates. Featuring a blue color and a 3.5-inch form factor, it is ideal for those looking to upgrade their computer's storage capacity with a high-quality HDD. The drive also includes features such as hot swap capability, adaptive memory technology, and low noise levels for a seamless storage experience.