IBM manufactured magnetic disk storage devices from 1956 to 2003, when it sold its hard disk drive business to Hitachi. Both the hard disk drive (HDD)...

tape drives. The commercial usage of hard disk drives (HDD) began in 1957, with the shipment of a production IBM 305 RAMAC system including IBM Model...

became widely used. Floppy disk variants History of hard disk drives History of IBM magnetic disk drives List of floppy disk formats A Japanese inventor...

The IBM 2321 Data Cell is a DASD that used tape as its storage medium. See also history of IBM magnetic disk drives. IBM 353: Disk drive for IBM 7030...

needed] Category IBM articles History of IBM magnetic disk drives IBM Archives Biographies Builders reference room Jim Spohrer, "IBM's service journey:...

CD-ROM drive in a similar situation. The X68000 has soft-eject 5¼-inch drives. Some late-generation IBM PS/2 machines had soft-eject 3½-inch disk drives as...

two stable magnetic states, which are the +Ms and −Ms on the hysteresis loop. Examples of digital recording are floppy disks, hard disk drives (HDDs), and...

off. Modern HDDs are typically in the form of a small rectangular box. Hard disk drives were introduced by IBM in 1956, and were the dominant secondary...

12-bit word of CDC 6000 series peripheral processors, plus 2 parity bits) in the CDC 626 drive. Early IBM tape drives, such as the IBM 727 and IBM 729, were...

as of 2017[update] Linear Tape-Open (LTO) supports continuous data transfer rates of up to 360 MB/s, a rate comparable to hard disk drives. Magnetic-tape...

announced a system using this drive as well, but later changed plans to use 3½-inch diskette drives instead. A magnetic disk in a hard plastic shell was...

of disk failure is not limited only to drives, but also applies to other types of magnetic media. In the late 1990s, Iomega's 100-megabyte Zip disks used...

capacity of 400 MB, at the time when the 2311 disk drive only had 7.2 MB. The IBM Data Cell was proposed to fill cost/capacity/speed gap between magnetic tapes—which...

The IBM 305 RAMAC was the first commercial computer that used a moving-head hard disk drive (magnetic disk storage) for secondary storage. The system was...

extension of the work done by IBM at its Tucson lab during the previous 20 years. In 2000, and around the time of the release of LTO-1, Seagate's magnetic tape...

The IBM Storage product portfolio includes disk, flash, tape, NAS storage products, storage software and services. IBM's approach is to focus on data management...

"Rigid Magnetic Disk Drive Specifications". 1997 DISK/TREND REPORT, RIGID DISK DRIVES. DISK/TREND, Inc. Reference Manual for IBM 3330 Series Disk Storage...

conventional, magnetic hard disk drive. A similar technology is available on HighPoint's RocketHybrid PCIe card. Solid-state hybrid drives (SSHDs) are based...

by IBM to describe devices that allowed random access to data, the main examples being drum memory and hard disk drives. Later, optical disc drives and...

examples of floptical technology, where lasers are used to guide a magnetic head which is much smaller than those used in traditional floppy disk drives. Iomega...

A disk read-and-write head is the small part of a disk drive which moves above the disk platter and transforms the platter's magnetic field into electric...

system IBM "Merlin" hard disk drives, see History of IBM magnetic disk drives § IBM 3330 MERLIN, an array of radio telescopes Merlin, a brand of garage...

a disk by a disk driver. The earliest disk drives had fixed block sizes (e.g. the IBM 350 disk storage unit (of the late 1950s) block size was 100 six-bit...

have fallen into disuse. Early drives are 130 mm and have the size of full-height 130 mm hard-drives (like in the IBM PC XT). 130 mm media looks similar...

for poising a magnetic head above a rapidly rotating magnetic drum." Flying heads became standard in drums and hard disk drives. Magnetic drum units used...

floppy disks (e.g., Imation SuperDisk), and other forms of drives with removable magnetic media, such as the Iomega Zip drive and Jaz drives, are now...

streamline IBM by having other investors finance those companies. These included AdStar, dedicated to disk drives and other data storage products; IBM Application...

engineering, succeeding the decimal IBM 1620 in that market segment. Typical installations included a 1 megabyte disk drive that stored the operating system...

megabyte-capacity hard disks were made available by Tandy and third parties. The Expansion Interface provided for up to four floppy drives and hard drives to be daisy-chained...

computers are usually loaded from the disks as part of the boot process. Early computers predate disk drives, floppy disks, or modern flash storage. Early storage...