SanDisk Card Family of Products Memory Stick Micro M2 Mobile Ultra microSD 4GB-16GB 256MB-16GB 2GB-16GB 2GB-16GB SD or SPI Memory Stick SD or SPI Memory Stick MLC, SLC SanDisk MLC SanDisk MLC SanDisk MLC SanDisk MLC 25MHz 50 MHz (4-bit high speed) 40MHz 50 MHz 40MHz 3.3V 3.3V 1.8V or 3.3V 3.3V 1.8V or 3.3V Active Current 100mA 100mA (200mA in High Speed) 100mA (65mA in 3.