# BPI-R2 SATA interface

BPI-R2 support 2 sata interface and onboard power port.

![](https://2026254418-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M2HWtQhonJaM_KJIa7S%2F-M2HWugLnEYPO4HWj-RM%2F-M2HXJvqqK5dyMDwOHtb%2Fsata%20port.JPG?generation=1584080204060697\&alt=media)

you can use sata line connect your hardisk on BPI-R2.

## Test a SAMSUNG SSD DISK, the Read/Write performance are below:

(1) Read from disk: 230MB/s (command: dd if=/dev/sda of=/dev/zero bs=1M count=10240)

(2) Write to disk: 192MB/s (command: dd if=/dev/zero of=/dev/sda bs=1M count=1024 oflag=direct)

**Note:**

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