The MicroSD Card Slot reads microSD cards at up to 104MB/s (UHS-I maximum). Found on smartphones, tablets, Nintendo Switch, and budget laptops. The most common removable storage slot on portable electronics. Accepts all microSD, microSDHC, and microSDXC cards.
storage Connectors
The MicroSD Card Slot (UHS-II) supports transfer speeds up to 312MB/s with UHS-II cards. Found on high-end cameras, drones, and premium handheld devices. Backward compatible with UHS-I and standard microSD cards at lower speeds. The tiny 15mm × 11mm form factor is the most popular removable storage for portable devices.
The SD Card Slot (UHS-I) reads full-size SD cards at up to 104MB/s (UHS-I maximum). Found on laptops, cameras, and some monitors with built-in card readers. Accepts SD, SDHC, and SDXC cards. For faster transfer speeds, look for UHS-II slots. The full-size SD slot is being dropped from many thin laptops in favor of microSD or USB readers.
The SD Card Slot (UHS-II) supports transfer speeds up to 312MB/s with UHS-II SD cards. Found on high-end laptops, pro cameras, and video editing workstations. The extra row of pins on UHS-II cards enables faster burst transfers for RAW photos and 4K video. Backward compatible with UHS-I and standard SD cards.
