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Floppy disk size is often referred to in inches, even in countries using metric and though the size is defined in metric. The ANSI specification of 3½-inch disks is entitled in part "90 mm (3.5-inch)" though 90 mm is closer to 3.54 inches. [50]
8-inch, 5 + 1 ⁄ 4-inch, and 3 + 1 ⁄ 2-inch floppy disks. This is a list of different floppy disk formats. ... Size Density Sides Tracks/ side Sectors/ track Bytes ...
A Maxell-branded 3-inch Compact Floppy Disk. The floppy disk is a data storage and transfer medium that was ubiquitous from the mid-1970s well into the 2000s. [1] Besides the 3½-inch and 5¼-inch formats used in IBM PC compatible systems, or the 8-inch format that preceded them, many proprietary floppy disk formats were developed, either using a different disk design or special layout and ...
Close-up of 3 + 1 ⁄ 2-inch disk Standard 3 + 1 ⁄ 2-inch disk with a blank label. In 1981, Sony introduced their 3 + 1 ⁄ 2-inch floppy disk cartridge (90.0 mm × 94.0 mm) having a single sided unformatted capacity of 218.8 KB and a formatted capacity of 161.2 KB. [citation needed] A double sided version was available in 1982.
[citation needed] With increasing sales of microcomputers having built in floppy-disk drives (FDDs), HDDs that would fit to the FDD mountings became desirable. Thus HDD Form factors, initially followed those of 8-inch, 5.25-inch, and 3.5-inch floppy disk drives. Because there were no smaller floppy disk drives, smaller HDD form factors ...
It has been two decades since their heyday, but one bulk supplier of the iconic 3.5-inch floppy disk used to store data in 1990s says business is still booming. Tom Persky runs floppydisk.com, a ...