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2. Hard disk drive interface - Wikipedia

   en.wikipedia.org/wiki/Hard_disk_drive_interface

   Enhanced Small Disk Interface (ESDI) was an attempt to minimize controller design time by supporting multiple data rates with a standard data encoding scheme; this was usually negotiated automatically by the disk drive and controller; most of the time, however, 15 or 20 megabit ESDI disk drives were not downward compatible (i.e. a 15 or 20 ...

3. List of disk drive form factors - Wikipedia

   en.wikipedia.org/wiki/List_of_disk_drive_form...

   IBM's first hard drive, the IBM 350, used a stack of fifty 24-inch platters and was of a size comparable to two large refrigerators. In 1962, IBM introduced its model 1311 disk, which used six 14-inch (nominal size) platters in a removable pack and was roughly the size of a washing machine. This became a standard platter size and drive form ...

4. Disk array - Wikipedia

   en.wikipedia.org/wiki/Disk_array

   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.

5. RDX (disk) - Wikipedia

   en.wikipedia.org/wiki/RDX_(disk)

   RDX is a disk-based removable storage format intended as a replacement of tape storage. RDX removable disk technology consists of portable disk cartridges and an RDX dock. RDX cartridges are shock-proof 2.5-inch Serial ATA hard disk drives and are advertised to sustain a 1 meter (39 in) drop onto a concrete floor and to offer an archival ...

6. 14 Best Free Cloud Storage Options - AOL

   www.aol.com/14-best-free-cloud-storage-234545340...

   Google Drive. You can access 15GB of free storage through Google Drive for photos, documents, presentations and more. The downside is that this storage capacity is shared between your Gmail ...

7. Hard disk drive - Wikipedia

   en.wikipedia.org/wiki/Hard_disk_drive

   Software reports hard disk drive or memory capacity in different forms using either decimal or binary prefixes. The Microsoft Windows family of operating systems uses the binary convention when reporting storage capacity, so an HDD offered by its manufacturer as a 1 TB drive is reported by these operating systems as a 931 GB HDD.

8. External storage - Wikipedia

   en.wikipedia.org/wiki/External_storage

   Initially all external storage, tape and hard disk drives are today available as both internal and external storage. In the 1964 removable disk media was introduced by the IBM 2310 disk drive with its 2315 cartridge used in IBM 1800 and IBM 1130 computers. [7] Magnetic disk media is today not removable; however disk devices and media such as ...

9. Solid-state storage - Wikipedia

   en.wikipedia.org/wiki/Solid-state_storage

   Solid-state storage (SSS) is non-volatile computer storage that has no moving parts; it uses only electronic circuits. This solid-state design dramatically differs from the commonly-used competing technology of electromechanical magnetic storage which uses moving media coated with magnetic material .