Western Digital Gold Enterprise 4TB 3.5” SATA Internal HDD Key Features 4TB Internal HDD 7200 rpm Rotation Speed Compatible with Windows and Mac SATA 3 Interface 5-Year Limited Warranty Overview 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 from WD. Specifications Disk Type HDD External? No Capacity 4TB Rotation Speed 7200 rpm Cache 256MB Transfer Rate up to 150MB/s Interface SATA 3 Compatibility Windows, Linux Dimensions 147 x 102 x 26 mm