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2. Hard disk drive - Wikipedia

   en.wikipedia.org/wiki/Hard_disk_drive

   8-, 5.25-, 3.5-, 2.5-, 1.8- and 1-inch HDDs, together with a ruler to show the size of platters and read-write heads A newer 2.5-inch (63.5 mm) 6,495 MB HDD compared to an older 5.25-inch full-height 110 MB HDD. IBM's first hard disk drive, the IBM 350, used a stack of fifty 24-inch platters, stored 3.75 MB of data (approximately the size of ...

3. Solid-state drive - Wikipedia

   en.wikipedia.org/wiki/Solid-state_drive

   A disk-on-a-module (DOM) is a flash drive with either 40/44-pin Parallel ATA (PATA) or SATA interface, intended to be plugged directly into the motherboard and used as a computer hard disk drive (HDD). DOM devices emulate a traditional hard disk drive, resulting in no need for special drivers or other specific operating system support.

4. Computer data storage - Wikipedia

   en.wikipedia.org/wiki/Computer_data_storage

   2.5-inch hard disk drives often consume less power than larger ones. [12] [13] Low capacity solid-state drives have no moving parts and consume less power than hard disks. [14] [15] [16] Also, memory may use more power than hard disks. [16] Large caches, which are used to avoid hitting the memory wall, may also consume a large amount of power.

5. Solid-state storage - Wikipedia

   en.wikipedia.org/wiki/Solid-state_storage

   A solid-state drive (SSD) provides secondary storage for relatively complex systems including personal computers, embedded systems, portable devices, large servers and network-attached storage (NAS). To satisfy such a wide range of uses, SSDs are produced with various features, capacities, interfaces and physical sizes and layouts. [4]

6. List of solid-state drive manufacturers - Wikipedia

   en.wikipedia.org/wiki/List_of_solid-state_drive...

   Sold its NAND flash memory and SSD businesses to SK Hynix. Intel has terminated its Optane line of memory. Sold its NAND flash memory and SSD businesses to SK Hynix. Intel has terminated its Optane line of SSDs. No Sold its NAND flash memory and SSD businesses to SK Hynix, so SK Hynix now makes those controllers.

7. Density (computer storage) - Wikipedia

   en.wikipedia.org/wiki/Density_(computer_storage)

   Hard disk drives store data in the magnetic polarization of small patches of the surface coating on a disk. The maximum areal density is defined by the size of the magnetic particles in the surface, as well as the size of the "head" used to read and write the data. In 1956 the first hard drive, the IBM 350, had an areal density of 2,000 bit/in 2.