hard disk

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hard disk

a data storage device in which data is stored on a magnetic disk embodied in a COMPUTER. Most hard disks can store large amounts of data, such as 20 megabytes of numbers or letters.
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1 The Evolution of Server Virtualization, ESG, November 2010 2 Versus 15K RPM disks in a virtual environment with 1,500 VMs, 50 IOPS/VM and 100 GB/VM
The units provide the performance of SAS enterprise-class disks without the heat and mechanical limitations of these 15K rpm disks.
The enterprise class product uses 10K and 15K rpm disks with up to 300 GB capacity, for the most demanding applications including database, OLTP, financial, manufacturing, video and real-time data acquisition.