The Western Digital WD Green WD30EZRX 3TB SATA 6Gb/s 3.5” Hard Disk Drive (HDD) is a high-capacity internal desktop drive designed for use with PCs. With a storage capacity of 3TB, this HDD utilizes SATA III interface for fast data transfer speeds. The green color of the drive indicates its energy-efficient design, while the 5400 RPM rotation speed and 64MB cache ensure reliable performance. Ideal for those in need of a large storage solution, the WD Green WD30EZRX is a dependable choice for expanding storage capacity in a desktop environment.