HGST, division of Western Digital, has announced the immediate availability of hard disk drives MegaScale DC 4000.B. These drives have a size of 3.5 inches 4TB capacity and are equipped with the SATA 6 Gb / s. They belong to the second generation drives MegaScale.
According to HGST, drives MegaScale DC 4000.B, the spindle speed is determined by the technology CoolSpin, suitable for continuous operation under a load corresponding to rewrite 180 terabytes per year. In comparison, high-performance Ultrastar 7K4000 drives with a spindle speed of 7200 r / min RPM designed for load 550 TB per year. They are designed for cloud storage, Video on Demand and other applications where it is critical combination of high performance, reliability, and storage density. These drives are characterized by the highest in the industry mean time between failures - 2 million hours. In the case of MegaScale DC 4000.B mean time between failure is estimated at 800 thousand hours.
The use of technology CoolSpin, according to the manufacturer, reduce power consumption by up to 45% in active mode and 29% in standby mode. The drive supports five low-power modes, including sleep mode in which the power consumption is less than 1W.