> For the complete documentation index, see [llms.txt](https://docs.gremsy.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.gremsy.com/payloads/zio/hardware-configuration/micro-sd-cards.md).

# Micro SD Cards

### Supported Micro SD Cards

* The Zio comes with a 64GB Micro SD card and this is the maximum capacity the Zio supports.
* We recommend using a UHS-1 Micro SD card to minimize the delay when reading and writing high-resolution video data.

### **Used Micro SD Cards**

* Config file set IP address of Zio and IP address of UDP stream receiver.
* Config file control Zio with Ethernet.
* Save images and videos.

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