> For the complete documentation index, see [llms.txt](https://bananapi.gitbook.io/bpi-m3/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bananapi.gitbook.io/bpi-m3/zh/bpi-m3_hardware_interface.md).

# BPI-M3 hardware interface

**BPI-M3 power with microUSB power (option)** 

![](https://3925975408-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M2HWtRJQoosYe3-dUmx%2F-M2HWuG855qPFbpCRkE5%2F-M2HXHiGBqY_dk8liYRV%2FBPI-M3%20hardware%20specification.jpg?generation=1584080178900576\&alt=media)

**BPI-M3 power with DC port (default)** 

![](https://3925975408-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M2HWtRJQoosYe3-dUmx%2F-M2HWuG855qPFbpCRkE5%2F-M2HXHiI7_s7fHIwJS5M%2FBPI-M3%20hadware%20spec%20-web.jpg?generation=1584080178942207\&alt=media)

**NOTE: SATA port use USB 2.0 to SATA interface.**