A USB connection to a computer is the usual link of choice, unless the RAMPS board has the SD-Card option ... help attach either the ESP8266 WiFi or the HC-05 Bluetooth module to the Aux-1 header ...

More importantly, this module is as small as an SD card itself – or as an OLED display that we hobbyists sprinkle onto our projects. Having power of Linux in such a small footprint is certainly ...

But while Framework offers expansion modules for USB, video, audio, Ethernet, and storage, up until now the company hasn’t offered a full-sized SD card module, only a microSD card module.