This is a class 10 32GB microSD memory card, perfect for housing operating systems for single board computers and a multitude of other information. Since this is a class 10 microSD it is capable of transferring data at speeds up to 100MB/s allowing it to have a noticeable increase in performance while running an on-board OS. Please note, this is only the microSD card and does NOT come with an SD adapter. A [microSD USB Reader](https://www.sparkfun.com/products/13004) can be purchased separately. This microSD card is perfect when used with the Raspberry Pi, or [SparkFun Micro SD sniffer](https://www.sparkfun.com/products/9419). **Features:** * Memory Density: 32GB * Supply Voltage-Nom: 3.3V * Class: 10 * Read: 100Mbps * Write: 100Mbps * Operating Temp Range: -25°C to +85°C * Mounting Method: Socket Mount **Documents:** * [Datasheet](https://cdn.sparkfun.com/assets/3/c/d/d/e/DS-19041-microSD_Card_-_32GB__Class_10_.pdf)