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2. Solid-state drive - Wikipedia

   en.wikipedia.org/wiki/Solid-state_drive

   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. [23] Storage capacity

3. List of disk drive form factors - Wikipedia

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

   8-, 5.25-, 3.5-, 2.5-, 1.8- and 1-inch HDDs, together with a ruler to show the length 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 drive, the IBM 350, used a stack of fifty 24-inch platters and was of a size comparable to two large refrigerators.

4. History of hard disk drives - Wikipedia

   en.wikipedia.org/wiki/History_of_hard_disk_drives

   2010 – First hard drive manufactured by using the Advanced Format of 4,096‑byte sectors instead of 512‑byte sectors. [59]: Overview 2011 - Samsung announces 1 TB of capacity per 3.5 inch hard drive platter. [60] 2012 – TDK demonstrates 2 TB on a single 3.5-inch platter [61] 2012 – WDC acquires HGST operating it as a wholly owned ...

5. How to manage photos, videos on new laptop with limited space

   www.aol.com/manage-photos-videos-laptop-limited...

   There are two main types of external hard drives: HDD (hard disk drive) and SSD ... a 1TB drive can store over 200,000 high-resolution images if you need space for photos. A larger capacity drive ...

6. Density (computer storage) - Wikipedia

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

   For example, the first commercial hard drive, IBM's RAMAC in 1957, supplied 3.75 MB for $34,500, or $9,200 per megabyte. In 1989, a 40 MB hard drive cost $1200, or $30/MB. And in 2018, 4 Tb drives sold for $75, or 1.9¢/GB, an improvement of 1.5 million since 1989 and 520 million since the RAMAC.

7. Hard disk drive - Wikipedia

   en.wikipedia.org/wiki/Hard_disk_drive

   Two Seagate Barracuda drives from 2003 and 2009, respectively 160 GB and 1 TB. As of 2022, Western Digital offers capacities up to 26 TB. mSATA SSD on top of a 2.5-inch hard drive. The highest-capacity HDDs shipping commercially as of 2025 are 32 TB.