> For the complete documentation index, see [llms.txt](https://bananapi.gitbook.io/bpi-m2-ultra-open-source-single-board-computer/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-m2-ultra-open-source-single-board-computer/chapter1/bpi-m2ultrasatainterface.md).

# BPI-M2 Ultra SATA interface

BPI-M2 Ultra support sata interface and onboard power port.

you can use sata line connect your hardisk on BPI-M2 Ultra.

**Note:**

if you use 3.5 big hardisk ,you may need power with outside power. on board power can not support enough current