32 GB SD card serves various purposes as a portable memory device.
SD in 32GB SD is short for secure digital, and is a type of proprietary non-volatile memory. The card comes out fit to the standard of the SD Association (SDA), a joint effort by three producing companies. The type of SD cards has evolved over time to store faster, smaller, and high-density memory. Around the mid-2000s, the high storage capacity of as large as 32 GB SD cards was enabled through the SD High-Capacity (SDHC) format. Moreover, throughout the 2010's the introduction of SD eXtended-Capacity (SDXC) standards has greatly increased the memory density of 32 gig micro sd to three-digit gigabytes.
There are largely two types of SD cards offered for the storage of 32 GB card: SDHC, SDXC, and SDUC. SDHC Cards come out with storage from 4 GB to 32 GB. The maximum speed of this type is up to 25 MB per second. They come in the shape of macro SD Card 32 and are able to be used with 3D printers, video recorders, cameras, and car DVRs. SDXC is another type of SD card with storage space spanning from 32 GB memory card to 2 TB. The interface speed for this type can be as fast as 312 MB per second. This type is widely adopted in surveillance devices, security cameras, drones, and DSLR cameras.
The notable difference is the size.32 GB micro sd card is smaller with 20 mm width and 21.5 mm height, while macro cards are 24 mm in width and 32mm in height. Mini sd card 32GB have come out later supporting larger storage and faster reading speed. However, 32 GB micro sd are pricier, and where to use which type depends on the device.