hardware - Micro SD card slot on Pi 2 - Raspberry Pi Stack Exchange
USB 3.0 DUAL SLOT TYPE A & TYPE C MICRO SD AND SD CARD READER
How to Use a MicroSD Card in a Normal SD Card Slot on a Laptop or Tablet - YouTube
MicroSD Card Slot - Digilent | DigiKey
410-380 - Digilent - PMOD MICROSD CARD SLOT
Amazon.com: [3 Pack] Micro SD Card Reader for Android,Micro SD Card to USB Adapter, TF Card Reader with Mini Size for Camera Memory Card Reader, Wansurs Card Reader for PC Laptop (Golden) :
UHS-II USB 3.0 Dual Slot Micro SD and SD Card Reader
MicroSD Socket : ID 1660 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits