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The storage limit for ATA-1 compliant disks introduced in 1994. 1.6 × 10 12 bits (200 gigabytes) – capacity of a hard disk that would be considered average as of 2008. In 2005 a 200 GB harddisk cost US$100, [5] equivalent to $156 in 2023. As of April 2015, this is the maximum capacity of a fingernail-sized microSD card. 2 41
1991 – Intégral Peripherals 1820 "Mustang" – 21.4 megabytes, one 1.8-inch disk, first 1.8-inch HDD [42] 1992 – HP Kittyhawk – 20 MB, first 1.3-inch hard-disk drive; 1992 – Seagate ships the first 7,200-rpm hard drive, the Barracuda [42] 1993 – IBM 3390 model 9, the last Single Large Expensive Disk drive announced by IBM
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.
Compared to flash drives in same form factor, maximum rotating disk drive capacity is much smaller, [citation needed] with 100 TB available in 2018, [1] and 32 TB for 2.5-inch. [ 2 ] The disk drive size, such as 3.5-inch, is usually refers to the diameter of the disk platters .
Until that time, they were last hard disk manufacturer to produce PATA hard disk drives. [30] Furthermore, they were the only manufacturer that had 250 GB and 320 GB in 2.5-inch form factor. In February 2014, Western Digital announced a new "Purple" line of hard disk drives for use in video surveillance systems, with capacities from 1 to 4 TB ...
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