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About SD Association
- - - Join the SD Association
    - Member Companies
  - About SD Association
    
    Founded in January 2000 by Panasonic, SanDisk and Toshiba, the SD Association is a group dedicated to establishing SD standards and facilitating their adoption and development.
    At its outset the Association represented just 14 member companies and has grown into a global alliance comprised of around 1,000 member companies. By developing and adopting SD standards, members enjoy better compatibility of member cards between devices, greatly enhancing consumer enjoyment and convenience.
Consumers
- - - About SD Memory Card Choices
  - Consumers
    
    The SD Association has prepared multiple SD standards relating to such features as memory capacity and reading/writing speed in order for users to select the optimum card for their device.
Developers
- - - SD Standard Overview
  - - - SDIO/iSDIO
        
        Wireless LAN SD
        
        TransferJet SD
      - ASSD
        
        smartSD
  - - - Embedded SD
      - Application Formats
        
        SD-Audio
        
        SD-Video
        
        SD-Binding
        
        SD-SD
        
        SD-SD eBook
  - - How to Start Using SD Standard
    - Use and Licensing
Downloads
- - Downloads
    
    Download the SD Association Whitepapers, SD Simplified Specifications and SD Memory Card Formatter here.
News & Events
- - News & Events
    
    Introducing the latest about the SD Association, including trade shows, Association-sponsored seminars and other events.
Members Site
Licensees Sites

What's New VIEW MORE

September 13, 2018
Articles by Our Experts - New Article
Growing Demand, Growing Capacity: An introduction to the new SD Ultra Capacity function
August 31, 2018
Simplified Specification Files minor revision.

Articles by Our Experts VIEW MORE

Whitepapers VIEW MORE

June 27, 2018
SD Express Cards with PCIe and NVMe Interfaces
March 7, 2017
Mobile Device Innovations: Application Performance Class Expansion and New Low Voltage Signaling for SD Memory Cards English
February 23, 2017
Understanding the New UHS-III
English Japanese

Member Events VIEW MORE

2018 Fall General Assembly Meeting
Dates: October 23 & 24: General Assembly Meeting
October 25: Board of Directors Meeting
Location: Westin Hotel, Taipei, Taiwan
Fall Interoperability Event
Date: October 25, 2018
Location: TWTC Hall 1, Taipei,Taiwan
2019 Committee/Board Interim Meeting
Dates: January 29-30: Committee/TG/WG Meetings
January 31: Board of Directors Meeting
Location: Outrigger Hotel, Waikiki Beach, Hawaii
2019 SDA SPRING GENERAL ASSEMBLY MEETING
Dates: April 9: Board of Directors Meeting
April 10 & 11: General Assembly Meeting
Location: Hyatt on the Bund, Shanghai, R.O.C.

Public Events VIEW MORE

Global Workshop Taiwan
Date: October 26, 2018
Location: TICC, Taipei, Taiwan
Public event to invite companies in Taiwan to learn about/join the SD Association
This event will be held in Chinese language
Register Here
2019 Mobile World Congress Barcelona
Date: February 25 - 28, 2019
Location: Fira Gran Via, Barcelona Spain
Booth: #CS120, Congress Square
Embedded World 2019
Date: February 26 - 28, 2019
Location: Exhibition Centre, Nürnberg, Germany
Booth: #3A-524

SD Memory Card
Formatter 5.0

UHS- III Application
Performance
Classes SD Speed
Classes

Watch SD Video