The Blue series is the affordable entry-level series from Western Digital and provides solid speed for office applications. The hard drive offered here has a capacity of 6 TB , 5400 rpm and 256 MB cache. At 180 MB / s , the limit of the SATA III port is still not exhausted, but the SATA 6G interface built in here not only offers the advantage of higher bandwidth. The protocol has also been significantly streamlined, for example to increase energy efficiency and to optimize the transmission of multiple simultaneous high-bandwidth data streams. Technical details:- Dimensions: 101.6 x 26.1 x 147 mm (W x H x D) - Format: 3.5 inches - Weight: about 640 g- Capacity: 6 TB - Speed: 5400 rpm - Cache: 256 MB- Average data transfer rate: 180 MB / s- Connection: SATA 6G- Volume development: - Idle: 23 dB (A) - Search mode: 27 dB (A)- Power consumption (idle / read / write): 3.1 / 4.8 W- Shock resistance (during operation): 65G for 2 ms - Operating temperature: 0 - 60 C