title: XDR
text: # XDR
  
  XDR may refer to:
  
  * XDR (audio) or eXtended Dynamic Range, a quality-control system for pre-recorded audio cassettes
  * XDR (video game), for the Sega Mega Drive
  * XDR DRAM, a type of computer memory
  * XDR Schema, a discontinued schema language for XML documents
  * External Data Representation, a data interoperability format
  * Extensively drug-resistant, a category of multiple drug resistance
  * Special drawing rights, a monetary unit of the International Monetary Fund (ISO 4217 currency code XDR)
  * Extended detection and response, a cyber security technology that monitors and mitigates cyber security threats
  