Extra-high Density

What Does Extra-high Density Mean?

The term extra-high density disk in IT refers to a specific kind of floppy disk with a specific amount of storage capacity. This term is actually a bit controversial in its usage, because of different storage capacity designations for these types of storage media.


Techopedia Explains Extra-high Density

In some cases, sellers or others advertise floppy disks with a storage capacity of 2.88 MB as extra-high density or ED disks. In other cases, these types of disks are advertised or sold as enhanced density disks. The acronym, ED, remains the same. For most users and IT purchasers, this is a moot point, since more modern types of storage media have brought exponential increases in storage capacity. Nowadays, it is common to talk about storage capacity for small disks or devices in terms of gigabytes, not megabytes or kilobytes.


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Margaret Rouse

Margaret Rouse is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical, business audience. Over the past twenty years her explanations have appeared on TechTarget websites and she's been cited as an authority in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine and Discovery Magazine.Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages. If you have a suggestion for a new definition or how to improve a technical explanation, please email Margaret or contact her…