2TB Gold 550TB 7200RPM

3.5-inch SATA 6 Gb/s, 200 MB/s, 7200 RPM Class, 128 MB. With up to ten times the workload capacity of desktop drives, WD Gold hard drives employ advanced technology to deliver among the best in reliability, capacity, power efficiency and performance. Designed for a multitude of Datacenter-specific applications, WD Gold hard drives are perfect for high-availability server and storage arrays that demand the most robust storage device available with 24/7 premium customer support.