![]() ![]() ![]() Zip uses a cartridge a little larger and somewhat thicker than a 3.5″ floppy disk. Iomega brought its Zip drive and Zip disks to market in March 1995 with 100 MB capacity. The market needed a removable media drive with more capacity than floppies but at a much better price than SyQuest. The same year IBM introduced its DSED (Double Sided Extended Density) 2.88 MB floppy drive and disks, which never caught on. ![]() High-density (HD) 3.5″ floppies arrived in 1987, and both PCs and Macs used them to store 1.4 MB of information. On Macs, the same disks stored 400 KB and 800 KB respectively. In the PC world, single-sided 3.5″ floppies held 360 KB of data, double-sided disks 720 KB. Beyond Floppy DisksĪlthough Apple wasn’t the first to use 3.5″ floppy disks, it was the first to standardize on them instead of the older, larger 5-1/4″ floppies. Bernoulli drives were noted for their reliability, and they came in many different capacities. Unfortunately, the original Bernoulli cartridge system used huge media, measuring about 8″ x 11″ (210 x 275 mm).īernoulli Box II used a smaller cartridge along with a drive that fit in a standard 5-1/4″ bay. SyQuest had established itself with a 44 MB 5-1/4″ cartridge drive system using the same 130mm platters found in hard drives.īy contrast, Bernoulli cartridges had a floppy disk spinning at 3,000 rpm, using the Bernoulli Principle to pull the disk’s surface toward the read-write head. Iomega had made a name for itself with its Bernoulli Box, a lower cost alternative to SyQuest drives with their hard disk platters. And then came removable media drives such as SyQuest, Bernoulli, and – perhaps best know of all – Zip. Then came floppy drives, followed by hard drives. In the beginning, personal computers used cassette tape drives. ![]()
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