What is an SD card? Here's what you need to know about the small memory cards for electronic devices

SD cards, short for Secure Digital cards, are small thumbnail-sized memory storage cards with max capacities ranging up to 128TB.
Gizmodo

This 128GB Micro SDXC Memory Card Is Dirt Cheap, Amazon Is Clearing Out Stock Fast

This article is part of Gizmodo Deals, produced separately from the editorial team. We may earn a commission when you buy through links on the site. Reading time: Reading time 2 minutes Amazon has ...