We can help source and supply the right SD card for your needs, with over 15 years experience and key member of the SD card association matching the best SD for our clients has been core to what we do at Cardwave. Below is some information about SD cards for your reference.


Secure Digital (SD) is a non-volatile memory card format developed by the SD Card Association (SDA) for use in portable devices.

The standard was introduced in August 1999 by joint efforts between SanDisk, Panasonic (Matsushita Electric) and Toshiba as an improvement over MultiMediaCards (MMC) and has become the industry standard. 

As a board member of the SDA for many years we have been assisting OEM customers in specifying the exact SD card needed for their application.


Full size SD cards, normally referred to as standard size or just SD, physical dimensions are 32mm x 24mm x 2.1mm



microSD cards, also referred to as uSD, physical dimensions are 15mm x 11mm x 1.00mm