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2. Opal Storage Specification - Wikipedia

   en.wikipedia.org/wiki/Opal_Storage_Specification

   The Opal Storage Specification is a set of specifications for features of data storage devices (such as hard disk drives and solid state drives) that enhance their security. For example, it defines a way of encrypting the stored data so that an unauthorized person who gains possession of the device cannot see the data.

3. Hard disk drive - Wikipedia

   en.wikipedia.org/wiki/Hard_disk_drive

   The Federal Reserve Board has published a quality-adjusted price index for large-scale enterprise storage systems including three or more enterprise HDDs and associated controllers, racks and cables. Prices for these large-scale storage systems decreased at the rate of 30% per year during 2004–2009 and 22% per year during 2009–2014. [76]

4. NVM Express - Wikipedia

   en.wikipedia.org/wiki/NVM_Express

   Historically, most SSDs used buses such as SATA, SAS, or Fibre Channel for interfacing with the rest of a computer system. Since SSDs became available in mass markets, SATA has become the most typical way for connecting SSDs in personal computers; however, SATA was designed primarily for interfacing with mechanical hard disk drives (HDDs), and it became increasingly inadequate for SSDs, which ...

5. M.2 - Wikipedia

   en.wikipedia.org/wiki/M.2

   A size comparison of an mSATA SSD (left) and an M.2 2242 SSD (right) M.2, pronounced m dot two [1] and formerly known as the Next Generation Form Factor (NGFF), is a specification for internally mounted computer expansion cards and associated connectors.

6. Solid-state drive - Wikipedia

   en.wikipedia.org/wiki/Solid-state_drive

   A solid-state drive (SSD) is a type of solid-state storage device that uses integrated circuits to store data persistently. It is sometimes called semiconductor storage device, solid-state device, or solid-state disk. [1] [2] SSDs rely on non-volatile memory, typically NAND flash, to store data in memory cells. The performance and endurance of ...

7. Ceph (software) - Wikipedia

   en.wikipedia.org/wiki/Ceph_(software)

   Ceph (pronounced / ˈ s ɛ f /) is a free and open-source software-defined storage platform that provides object storage, [7] block storage, and file storage built on a common distributed cluster foundation.