Secure Digital

File Format
Name	Secure Digital
Ontology	Physical File Formats Secure Digital

Secure Digital (SD) is a type of non-volatile memory used in memory cards, often used in digital cameras and other compact devices needing means of storage and data transfer.

Sizes

• SD
• MiniSD
• MicroSD

Formats

• SDHC
• SDXC
• SDIO

Links

• Wikipedia article
• Official website
• SD Simplified Specifications
• Exploration and Exploitation of an SD Memory Card (video)