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Layer 0. Physical. A storage area network (SAN) or storage network is a computer network which provides access to consolidated, block-level data storage. SANs are primarily used to access data storage devices, such as disk arrays and tape libraries from servers so that the devices appear to the operating system as direct-attached storage.
Solid-state drive (SSD) Hard disk drive (HDD) Price per capacity. SSDs are generally more expensive than HDDs and are expected to remain so. As of early 2018, SSD prices were around $0.30 per gigabyte for 4 TB models. [23] HDDs, as of early 2018, were priced around $0.02 to $0.03 per gigabyte for 1 TB models.
Computer data storage or digital data storage is a technology consisting of computer components and recording media that are used to retain digital data. It is a core function and fundamental component of computers. [1]: 15–16. The central processing unit (CPU) of a computer is what manipulates data by performing computations.
History of hard disk drives. Historical lowest retail price of computer memory and storage. In 1953, IBM recognized the immediate application for what it termed a "Random Access File" having high capacity and rapid random access at a relatively low cost. [1] After considering technologies such as wire matrices, rod arrays, drums, drum arrays ...
Compellent Technologies, Inc., was an American manufacturer of enterprise computer data storage systems that provided block-level storage resources to small and medium sized IT infrastructures. The company was founded in 2002 and headquartered in Eden Prairie, Minnesota. Compellent's flagship product, Storage Center, is a storage area network ...
Density (computer storage) Density is a measure of the quantity of information bits that can be stored on a given physical space of a computer storage medium. There are three types of density: length (linear density) of track, area of the surface (areal density), or in a given volume (volumetric density).
The IBM System Storage TS2230 Tape Drive, Model Type 3580, Model H3V, is a high-performance, high-capacity data-storage device that is designed to backup and restore open systems applications. It is the third generation in the Ultrium series of products, and is available with a Serial Attached SCSI interface (SAS).
Storage: Up to 48 TB of physical storage per enclosure using 4 TB near-line SAS disk drives, or up to 28.8 TB physical storage per enclosure using 1.2 TB SAS 10K disk drives Control enclosures support attachment of up to 9 expansion enclosures with configurations up to 360 TB physical internal storage capacities (for Storwize V7000, up to 1.44 ...