MMC (micro SD) HAT for the Raspberry Pi from 8086 Consultancy on Tindie
Raspberry Pi: New first-party software makes it easier to image microSD cards and install OSes on macOS, Windows and Ubuntu - NotebookCheck.net News
Class 10 microSD Card With Raspbian - 16GB
Micro-SD Card adapter for Raspberry Pi
Raspberry Pi microSD card performance comparison - 2019 | Jeff Geerling
Labists Raspberry Pi 4 4GB Complete Starter Kit with 32GB Micro SD Card Preloaded with NOOBS, Dual Display Micro SD Card Preloaded Raspberry Pi OS for Desktop Computer - Walmart.com
Low-profile microSD card adapter for Raspberry Pi : ID 966 : $2.50 : Adafruit Industries, Unique & fun DIY electronics and kits
DIGISHUO Raspberry Pi 4B Model B 2/4/8GB RAM DIY Kit Case Fan SD Card Micro- SD HDMI (4G Module 8 in 1 Kit)
Micro SD Card PCB Extender : ID 4395 : $4.50 : Adafruit Industries, Unique & fun DIY electronics and kits
Choosing Storage for Raspberry Pi - Kingston Technology
Raspberry Pi 4 Model B Starter Kit, Micro SD Card, Heat Sink, Power Supply | eBay
insert microSD card into Raspberry Pi B+ - YouTube