WD Ultrastar 7K6000 HUS726060ALE610 - hard drive - 6 TB - SATA 6Gb/s

Ultrastar 7K6000 delivers greater storage efficiency through high performance, achieving higher random write performance, thanks to HGST media cache architecture, a disk-based caching technology, which provides a large non-volatile cache on the disk. Media cache also allows for improved reliability and data integrity during unexpected power loss. Ultrastar 7K6000 helps protect data from unauthorized use by offering security and encryption options.