![MicroSD cards: sizes and speeds at a glance | reichelt.com|MicroSD cards: sizes and speeds at a glance | reichelt.com MicroSD cards: sizes and speeds at a glance | reichelt.com|MicroSD cards: sizes and speeds at a glance | reichelt.com](https://www.reichelt.de/magazin/wp-content/uploads/2017/08/Titel_MicroSD-Karten.png)
MicroSD cards: sizes and speeds at a glance | reichelt.com|MicroSD cards: sizes and speeds at a glance | reichelt.com
Why is the biggest capacity of microSD card is at 1TB now (as of May 2021)? What's the bottleneck or technical challenges to push the capacity to over 2TB or even 10TB? -
![WD launches enormous 4TB SD card for creative pros — smashes world record for largest removable memory card to smithereens at twice the capacity of biggest microSD cards | TechRadar WD launches enormous 4TB SD card for creative pros — smashes world record for largest removable memory card to smithereens at twice the capacity of biggest microSD cards | TechRadar](https://cdn.mos.cms.futurecdn.net/G6TM9xoMJzy3fDfoY3b8RL-1200-80.jpg)