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An external hard drive enclosure that uses a 2.5-in drive and a USB connection for power and transfer Key benefits to using external disk enclosures include: Adding additional storage space and media types to small form factor and laptop computers, as well as sealed embedded systems such as digital video recorders [ 1 ] and video game consoles .
HP EVA4400 storage array, consisting of 2U controller enclosure (top) and 4 2U disk shelves. A disk array is a disk storage system which contains multiple disk drives. [1] It is differentiated from a disk enclosure, in that an array has cache memory and advanced functionality, like RAID, deduplication, encryption and virtualization.
Today storage devices may be internal or external to a computer system. In the 1950s, introduction of magnetic tapes and hard disk drives allowed for mass external storage of information, which played the key part of the computer revolution. [6] Initially all external storage, tape and hard disk drives are today available as both internal and ...
External hard drives can exponentially increase storage space on laptops and other mobile devices — here are some of the best ones to shop. Shop with a tech expert: External hard drives Skip to ...
Early storage systems connected to external disk enclosures via parallel SCSI, while modern models (as of 2009) use fibre channel and SAS (Serial Attach SCSI) SCSI transport protocols. The disk enclosures (shelves) use fibre channel hard disk drives, as well as parallel ATA, serial ATA and Serial attached SCSI. Starting with AFF A800 NVRAM PCI ...
In a modern enterprise architecture disk array controllers (sometimes also called storage processors, or SPs [1]) are parts of physically independent enclosures, such as disk arrays placed in a storage area network (SAN) or network-attached storage (NAS) servers. Those external disk arrays are usually purchased as an integrated subsystem of ...