ALERT

[WEBINAR] See the Whole Story: The Case for a Visualization Platform

Double-density (DD)

Definition - What does Double-density (DD) mean?

Double density refers to the storage capacity of floppy disks for PCs. 5.25 inch double density disks hold 360KB of data, while 3.5 inch double density disks hold twice that amount reaching up to 720KB of data.

Techopedia explains Double-density (DD)

PC floppy disks are now largely obsolete, but where they are available, they may come in double density storage sizes. Newer devices lack floppy disk drives, and USB-connected drives have largely replaced these external data storage units.

Today’s storage media often have much higher storage capacity designations. Small thumb drives and other types of USB-connected drives typically have dozens of gigabytes of storage. The storage capacity of extremely small drives is now nearing the terabyte range. This has led to a shift in how tech companies and other parties label disk or drive storage density.

Connect with us

Techopedia on Linkedin
Techopedia on Linkedin
Tweat cdn.techopedia.com
"Techopedia" on Twitter


'@Techopedia'
Sign up for Techopedia's Free Newsletter!

Email Newsletter

Join thousands of others with our weekly newsletter

Resources
Free Whitepaper: The Path to Hybrid Cloud
Free Whitepaper: The Path to Hybrid Cloud:
The Path to Hybrid Cloud: Intelligent Bursting To Amazon Web Services & Microsoft Azure
Free E-Book: Public Cloud Guide
Free E-Book: Public Cloud Guide:
This white paper is for leaders of Operations, Engineering, or Infrastructure teams who are creating or executing an IT roadmap.
Free Tool: Virtual Health Monitor
Free Tool: Virtual Health Monitor:
Virtual Health Monitor is a free virtualization monitoring and reporting tool for VMware, Hyper-V, RHEV, and XenServer environments.
Free 30 Day Trial – Turbonomic
Free 30 Day Trial – Turbonomic:
Turbonomic delivers an autonomic platform where virtual and cloud environments self-manage in real-time to assure application performance.