The ST4000NM0115 Seagate Exos 7E8 4TB SATA Enterprise Hard Drive is a high-performance internal desktop drive designed for both PC and Mac compatibility. With a sleek silver design and a rotation speed of 7200 RPM, this Seagate hard drive offers reliable storage capacity of 4TB within a 3.5-inch form factor. The drive supports hot plug and hot swap features, making it easy to integrate into existing systems. With SATA III interface and 128 MB cache, this HDD-only storage solution from the Exos product line is ideal for enterprise capacity storage needs.