http://www.amazon.in/Strontium-32GB-MicroSDHC-Memory-Class/dp/B009C16340 Supports SD system specification version 2.0 Supports SD SPI mode Card capacity of non-secure area, secure area supports specifications Convertible to full SD card size with an adapter (optional) Guarantees minimum data transmission of 6MB/s Default mode : variable clock rate 0-25MHz, up to 6MB/sec interface speed High-speed mode : variable clock rate 0-50MHz, up to 10MB/sec interface speed
