Apple killed a MacBook Pro feature that photographers rely on | Mashable
Solved] iMac/MacBook won't read SD card, how to fix it?
Amazon.com: USB C SD Card Reader, Oyuiasle USB C to SD Card for iPad/Mac/Laptop, Trail Camera USB-C/Type C Memory Card Adapter for iMac, iPad Pro/Air/Mini, MacBook Pro/Air, Galaxy, MicroSD/SD : Electronics
Fix: SD Card not Showing up, Reading, Recognizing on Mac
These JetDrive Lite 330 SD cards give your new Apple M1 MacBook Pro models 'hidden' storage: Digital Photography Review