SD card

wikipedia:SD card

• Speed Class
  • Video: V6, V10, V30, V60, and V90

• Linux kernel: /dev/sdX

dmesg
[    4.311560] mmc1: new high speed SDHC card at address aaaa

Related terms

• diskutil (macOS)
• udisksctl
• dd
• https://en.wikipedia.org/wiki/SD_card#Bus%20speed
• Intel NUC products don't allow you to boot directly from SD cards. There are no plans to add this capability., Raspberry Pi support it.

See also

• MMC, SD card
• SD, MMC
• Storage: Fibre Channel, Disk arrays, Disk array shelves, Disk array controller, CD-ROM, DVD, Tape library, LTO, HDD, SSD, SCSI, iSCSI, SAS, SATA, SEDs, OPAL, Magnetic storage, WORM, SD cards

https://www.intel.com/content/www/us/en/support/articles/000024603/intel-nuc/intel-nuc-kits.html