Stemedu 5PCS Micro SD Card Reader Module Memory Card Adapter Board Mini TF Card Storage SPI Interface Breakout Modules for Ar duino for Raspberry Pi with 40P Dupont Cable : Amazon.ca: Electronics
SD cards in Canada
SD Card Module
MicroSD card breakout board+ : ID 254 : $7.50 : Adafruit Industries, Unique & fun DIY electronics and kits
Adafruit Micro SD SPI or SDIO Card Breakout Board - 3V ONLY! : ID 4682 : $3.50 : Adafruit Industries, Unique & fun DIY electronics and kits
SD+Card+Reader+Module+for+Dell+POWEREDGE+R710+RN354 for sale online | eBay
Geekstory 5 PCS Micro SD Card Module Mini TF Card Adapter with Memory Storage Breakout Board SPI Interface Driver + 40 PCS Female to Male Dupont Cable Line for Arduino Raspberry Pi :
Geekstory 5 PCS Micro SD Card Module Mini TF Card Adapter with Memory Storage Breakout Board
A breakdown of my experience trying to talk to an SD card REALLY fast with the ESP32 using SDMMC : r/esp32