SDUC cards are also normally formatted in exFAT file system. SDUC: Based on SDA 7.0 specification that is announced in 2018, the ultra-capacity SD card supports up to 128TB.It is produced based on the SDA 3.0 specification. This type of SD card is in exFAT format by default.
SDXC: The size of extended-capacity SD card is from 64GB to 2TB.SDHC: The high-capacity SD card has a 4GB-32GB size.The default format of this type of SD card is FAT16. SDSC: The standard-capacity SD card size is from 128MB to 2GB.SD (Secure Digital) card has five types: SDSC (Standard Capacity), SDHC (High Capacity), SDXC (Extended Capacity), SDUC (Ultra-Capacity), SDIO (combine input/output functions with data storage).ĭifferent types of SD cards have different sizes and file system formats.
After you know what is an SD card and what does an SD card do, below we’ll further introduce SD card types, sizes, prices, speeds, and recommend some best micro SD cards for Nintendo Switch, mobile phones and cameras, and list best SD card readers. There are many types of SD cards with different sizes, prices and speeds. The SD card can also be a file storage device, you can store files on the SD card, and easily transfer them to computer or other devices.įor PCs, you can use an SD card reader to connect the SD card to computer to access data on it. If the original memory card of the camera is full, you can also eject it and insert another SD card to your camera to store more data, rather than deleting old files on it. You can insert an SD card to a device and expand its storage for storing more photos, music or other data.
Many mobile devices have built-in slots for SD cards. It is compatible with many mobile devices that accept the insertion of an SD card. The SD card is mainly used for storing or transferring data and files like photos, music and videos.