WD Black 4TB 7200RPM SATA III 3.5" Hard Disk Drive

The 4TB WD BLACK HDD provides high quality and incredible performance using the latest SATA III standard which runs at 6Gb/s, the 3.5 inch form factor is just 26.1mm in height. The RPM class for this drive is 7200 rpm with a storage capacity of 4000GB, these drives come with a 256MB cache with an access time of just 2ms.